feat(backend): Replace Node.js API with .NET 8

This commit completes the migration of the backend service from a Node.js/Express application to an ASP.NET Core 8 Minimal API.

- Re-implemented all API endpoints in C# for improved performance and type safety.
- Updated the Gitea Actions workflow to use the `setup-dotnet` action, `dotnet publish` for building, and now caches NuGet packages.
- Modified the deployment to create an `appsettings.Production.json` file from Gitea secrets instead of a `.env` file.
- Updated the PM2 ecosystem configuration to run the application using the `dotnet` interpreter.
This commit is contained in:
2025-10-29 19:14:20 -03:00
parent f14e298c46
commit 40fd792be1
30 changed files with 1017 additions and 1077 deletions

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@@ -13,59 +13,77 @@ jobs:
- name: Checkout Code - name: Checkout Code
uses: actions/checkout@v4 uses: actions/checkout@v4
- name: Create Backend .env file - name: Setup .NET 8 SDK
uses: actions/setup-dotnet@v4
with:
dotnet-version: '8.0.x'
- name: Create Backend appsettings.Production.json
run: | run: |
echo "Creating backend .env file..." echo "Creating backend appsettings.Production.json file..."
cd backend # This creates the JSON file by mapping your Gitea secrets/vars
# Using both Gitea Variables (vars) and Secrets (secrets) # to the structure you provided.
echo "BACKEND_PORT=${{ vars.BACKEND_PORT }}" >> .env cat <<EOF > backend/appsettings.Production.json
echo "FRONTEND_URL=${{ vars.FRONTEND_URL }}" >> .env {
echo "SMTP_HOST=${{ vars.SMTP_HOST }}" >> .env "SmtpSettings": {
echo "SMTP_PORT=${{ vars.SMTP_PORT }}" >> .env "Host": "${{ vars.SMTP_HOST }}",
echo "SMTP_SECURE=${{ vars.SMTP_SECURE }}" >> .env "Port": ${{ vars.SMTP_PORT }},
echo "YOUR_RECEIVING_EMAIL=${{ vars.YOUR_RECEIVING_EMAIL }}" >> .env "User": "${{ secrets.SMTP_USER }}",
echo "SMTP_FROM_EMAIL=${{ vars.SMTP_FROM_EMAIL }}" >> .env "Pass": "${{ secrets.SMTP_PASS }}",
"FromEmail": "${{ vars.SMTP_FROM_EMAIL }}",
# Secrets should be used for sensitive data "ReceivingEmail": "${{ vars.YOUR_RECEIVING_EMAIL }}"
echo "SMTP_USER=${{ secrets.SMTP_USER }}" >> .env },
echo "SMTP_PASS=${{ secrets.SMTP_PASS }}" >> .env "CorsOrigins": "${{ vars.FRONTEND_URL }}"
}
EOF
- name: Create Frontend .env.local file - name: Create Frontend .env.local file
run: | run: |
echo "Creating frontend .env.local file..." echo "Creating frontend .env.local file..."
cd frontend cd frontend
# The BACKEND_URL is not needed because Traefik will handle routing /api
echo "NEXT_PUBLIC_GITHUB_URL=${{ vars.NEXT_PUBLIC_GITHUB_URL }}" >> .env.local echo "NEXT_PUBLIC_GITHUB_URL=${{ vars.NEXT_PUBLIC_GITHUB_URL }}" >> .env.local
echo "NEXT_PUBLIC_LINKEDIN_URL=${{ vars.NEXT_PUBLIC_LINKEDIN_URL }}" >> .env.local echo "NEXT_PUBLIC_LINKEDIN_URL=${{ vars.NEXT_PUBLIC_LINKEDIN_URL }}" >> .env.local
- name: Cache Dependencies and Build Artifacts - name: Cache Dependencies
uses: actions/cache@v4 uses: actions/cache@v4
with: with:
path: | path: |
backend/node_modules ~/.nuget/packages
frontend/node_modules frontend/node_modules
frontend/.next/cache frontend/.next/cache
key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }} key: ${{ runner.os }}-${{ hashFiles('**/*.csproj') }}-${{ hashFiles('**/package-lock.json') }}
restore-keys: | restore-keys: |
${{ runner.os }}-node- ${{ runner.os }}-
- name: Install Dependencies and Build - name: Install Dependencies and Build
run: | run: |
echo "Installing backend dependencies..." echo "Restoring backend NuGet packages..."
cd backend && npm install && cd .. dotnet restore backend
echo "Building and publishing backend..."
# This compiles the app and places the output in the 'publish' folder
dotnet publish backend --configuration Release --output ./publish
echo "Installing frontend dependencies..." echo "Installing frontend dependencies..."
cd frontend && npm install cd frontend && npm install
echo "Building frontend application..." echo "Building frontend application..."
npm run build npm run build
- name: Sync Files to Production Directory - name: Sync Files to Production Directory
run: | run: |
rsync -a --delete --exclude 'frontend/.next/cache/' --exclude '.git/' ./ /var/www/website.joaoloureiro.dev.br/ # Sync the published backend from the './publish' directory
rsync -a --delete ./publish/ /var/www/website.joaoloureiro.dev.br/
# Sync the built frontend from the 'frontend' directory
rsync -a --delete ./frontend/.next /var/www/website.joaoloureiro.dev.br/
rsync -a --delete ./frontend/public /var/www/website.joaoloureiro.dev.br/
rsync -a ./frontend/package.json /var/www/website.joaoloureiro.dev.br/
rsync -a ./frontend/ecosystem.config.js /var/www/website.joaoloureiro.dev.br/
- name: Restart Applications with PM2 - name: Restart Applications with PM2
env:
DEPLOY_PATH: ${{ vars.DEPLOY_PATH }}
run: | run: |
# This command on your server should handle restarting both processes
# Ensure your PM2 ecosystem file now has entries for both the .NET app
# and the Next.js app.
restart-portfolio restart-portfolio

422
.gitignore vendored
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@@ -130,3 +130,425 @@ dist
.yarn/install-state.gz .yarn/install-state.gz
.pnp.* .pnp.*
# ---> VisualStudio
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## files generated by popular Visual Studio add-ons.
##
## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
# User-specific files
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*.user
*.userosscache
*.sln.docstates
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*.userprefs
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mono_crash.*
# Build results
[Dd]ebug/
[Dd]ebugPublic/
[Rr]elease/
[Rr]eleases/
x64/
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[Ww][Ii][Nn]32/
[Aa][Rr][Mm]/
[Aa][Rr][Mm]64/
bld/
[Bb]in/
[Oo]bj/
[Ll]og/
[Ll]ogs/
# Visual Studio 2015/2017 cache/options directory
.vs/
# Uncomment if you have tasks that create the project's static files in wwwroot
#wwwroot/
# Visual Studio 2017 auto generated files
Generated\ Files/
# MSTest test Results
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[Bb]uild[Ll]og.*
# NUnit
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# Build Results of an ATL Project
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# but not Directory.Build.rsp, as it configures directory-level build defaults
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30
backend/.dockerignore Normal file
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@@ -0,0 +1,30 @@
**/.classpath
**/.dockerignore
**/.env
**/.git
**/.gitignore
**/.project
**/.settings
**/.toolstarget
**/.vs
**/.vscode
**/*.*proj.user
**/*.dbmdl
**/*.jfm
**/azds.yaml
**/bin
**/charts
**/docker-compose*
**/Dockerfile*
**/node_modules
**/npm-debug.log
**/obj
**/secrets.dev.yaml
**/values.dev.yaml
LICENSE
README.md
!**/.gitignore
!.git/HEAD
!.git/config
!.git/packed-refs
!.git/refs/heads/**

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@@ -0,0 +1,36 @@
# Stage 1: Build the application
# Use the .NET SDK image which contains all the tools to build and publish
FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
WORKDIR /src
# Copy all .csproj files and the .sln file first. This is a key optimization.
# Docker will cache this layer, and will only re-run `dotnet restore` if a project file changes.
COPY ["JoaoLoureiro.Portfolio.Core/JoaoLoureiro.Portfolio.Core.csproj", "JoaoLoureiro.Portfolio.Core/"]
COPY ["JoaoLoureiro.Portfolio.Infrastructure/JoaoLoureiro.Portfolio.Infrastructure.csproj", "JoaoLoureiro.Portfolio.Infrastructure/"]
COPY ["JoaoLoureiro.Portfolio.Api/JoaoLoureiro.Portfolio.Api.csproj", "JoaoLoureiro.Portfolio.Api/"]
COPY ["JoaoLoureiro.Portfolio.sln", "."]
# Restore all NuGet packages for the entire solution
RUN dotnet restore "JoaoLoureiro.Portfolio.sln"
# Copy the rest of the source code
COPY . .
# Publish the API project, creating the release-ready artifacts
WORKDIR "JoaoLoureiro.Portfolio.Api"
RUN dotnet publish "JoaoLoureiro.Portfolio.Api.csproj" -c Release -o /app/publish --no-restore
# Stage 2: Create the final, minimal runtime image
# Use the lightweight ASP.NET runtime image, which is much smaller than the SDK
FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS final
WORKDIR /app
# The new .NET 8 images run as a non-root 'app' user by default for better security.
# We expose port 8080, as the default internal port 80 is often a privileged port.
EXPOSE 8080
# Copy the published output from the build stage
COPY --from=build /app/publish .
# Set the entrypoint for the container
ENTRYPOINT ["dotnet", "JoaoLoureiro.Portfolio.Api.dll"]

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@@ -0,0 +1,8 @@
namespace JoaoLoureiro.Portfolio.Api.Dtos;
public class ContactMessageRequest
{
public required string Name { get; set; }
public required string Email { get; set; }
public required string Message { get; set; }
}

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@@ -0,0 +1,34 @@
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<UserSecretsId>13f24551-c620-43ab-9c94-073e5617c79d</UserSecretsId>
<DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
</PropertyGroup>
<ItemGroup>
<Compile Remove="Controllers\**" />
<Content Remove="Controllers\**" />
<EmbeddedResource Remove="Controllers\**" />
<None Remove="Controllers\**" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="AspNetCore.HealthChecks.System" Version="9.0.0" />
<PackageReference Include="AspNetCore.HealthChecks.UI.Client" Version="9.0.0" />
<PackageReference Include="AutoMapper" Version="15.0.1" />
<PackageReference Include="FluentValidation.AspNetCore" Version="11.3.1" />
<PackageReference Include="MailKit" Version="4.13.0" />
<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.23.0-preview.4" />
<PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\JoaoLoureiro.Portfolio.Application\JoaoLoureiro.Portfolio.Core.csproj" />
<ProjectReference Include="..\JoaoLoureiro.Portfolio.Infrastructure\JoaoLoureiro.Portfolio.Infrastructure.csproj" />
</ItemGroup>
</Project>

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@@ -0,0 +1,6 @@
@JoaoLoureiro.Portfolio.Api_HostAddress = http://localhost:5125
GET {{JoaoLoureiro.Portfolio.Api_HostAddress}}/weatherforecast/
Accept: application/json
###

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@@ -0,0 +1,15 @@
using AutoMapper;
using JoaoLoureiro.Portfolio.Api.Dtos;
using JoaoLoureiro.Portfolio.Core.Models;
namespace JoaoLoureiro.Portfolio.Api.Mapping;
public class MappingProfile : Profile
{
public MappingProfile() {
CreateMap<ContactMessageRequest, EmailToSend>()
.ForMember(dest => dest.SenderName, opt => opt.MapFrom(src => src.Name))
.ForMember(dest => dest.ReplyToEmail, opt => opt.MapFrom(src => src.Email))
.ForMember(dest => dest.MessageBody, opt => opt.MapFrom(src => src.Message));
}
}

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@@ -0,0 +1,122 @@
using AutoMapper;
using FluentValidation;
using HealthChecks.UI.Client;
using JoaoLoureiro.Portfolio.Api.Dtos;
using JoaoLoureiro.Portfolio.Core.Interfaces;
using JoaoLoureiro.Portfolio.Core.Models;
using JoaoLoureiro.Portfolio.Infrastructure.HealthCheck;
using JoaoLoureiro.Portfolio.Infrastructure.Services;
using JoaoLoureiro.Portfolio.Infrastructure.Settings;
using Microsoft.AspNetCore.Diagnostics.HealthChecks;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.AspNetCore.Mvc;
using Serilog;
using System.Net;
var builder = WebApplication.CreateBuilder(args);
builder.Host.UseSerilog((context, config) => config.ReadFrom.Configuration(context.Configuration));
builder.Services.AddProblemDetails();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
var corsOrigins = builder.Configuration["CorsOrigins"];
builder.Services.AddCors(options =>
{
options.AddDefaultPolicy(policy =>
{
if (corsOrigins is not null)
{
policy.WithOrigins(corsOrigins.Split(','))
.AllowAnyHeader()
.AllowAnyMethod();
}
});
});
builder.Services.AddOptions<SmtpSettings>()
.Bind(builder.Configuration.GetSection("SmtpSettings"))
.ValidateDataAnnotations()
.ValidateOnStart();
builder.Services.AddScoped<IEmailSender, SmtpEmailSender>();
builder.Services.AddValidatorsFromAssemblyContaining<Program>();
builder.Services.AddAutoMapper(cfg => { }, typeof(Program));
builder.Services.AddHealthChecks()
.AddCheck<SmtpHealthCheck>("SMTP");
builder.Services.Configure<ForwardedHeadersOptions>(options =>
{
options.KnownProxies.Add(IPAddress.Parse(builder.Configuration["ProxyIP"] ?? "10.0.10.10"));
});
var app = builder.Build();
app.UseForwardedHeaders(new ForwardedHeadersOptions
{
ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
});
app.UseSerilogRequestLogging();
app.UseExceptionHandler();
app.UseStatusCodePages();
if (app.Environment.IsDevelopment())
{
app.UseSwagger();
app.UseSwaggerUI();
}
app.UseHttpsRedirection();
app.UseCors();
app.MapHealthChecks("/health", new HealthCheckOptions
{
ResponseWriter = UIResponseWriter.WriteHealthCheckUIResponse
});
app.MapPost("/api/email/send", async (
[FromBody] ContactMessageRequest request,
IValidator<ContactMessageRequest> validator,
IEmailSender emailSender,
IMapper mapper,
ILogger<Program> logger,
CancellationToken cancellationToken) =>
{
var validationResult = await validator.ValidateAsync(request, cancellationToken);
if (!validationResult.IsValid)
{
var error = validationResult.Errors.First();
return Results.BadRequest(new { errorKey = error.ErrorCode });
}
try
{
var email = mapper.Map<EmailToSend>(request);
await emailSender.SendEmailAsync(email, cancellationToken);
return Results.Ok(new { message = "Message sent successfully!" });
}
catch (Exception ex)
{
logger.LogError(ex, "An unexpected error occurred while sending email.");
return Results.Problem(
detail: "An unexpected error occurred on the server.",
statusCode: 500,
title: "Server Error",
extensions: new Dictionary<string, object?> { { "errorKey", "server_unexpected_error" } }
);
}
})
.WithName("SendContactMessage")
.WithDescription("Accepts a contact form submission and sends it as an email.")
.Produces(StatusCodes.Status200OK)
.Produces<HttpValidationProblemDetails>(StatusCodes.Status400BadRequest)
.Produces<ProblemDetails>(StatusCodes.Status500InternalServerError);
app.Run();

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@@ -0,0 +1,52 @@
{
"profiles": {
"http": {
"commandName": "Project",
"launchBrowser": true,
"launchUrl": "swagger",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
},
"dotnetRunMessages": true,
"applicationUrl": "http://localhost:5125"
},
"https": {
"commandName": "Project",
"launchBrowser": true,
"launchUrl": "swagger",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
},
"dotnetRunMessages": true,
"applicationUrl": "https://localhost:7153;http://localhost:5125"
},
"IIS Express": {
"commandName": "IISExpress",
"launchBrowser": true,
"launchUrl": "swagger",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
},
"Container (Dockerfile)": {
"commandName": "Docker",
"launchBrowser": true,
"launchUrl": "{Scheme}://{ServiceHost}:{ServicePort}/swagger",
"environmentVariables": {
"ASPNETCORE_HTTPS_PORTS": "8081",
"ASPNETCORE_HTTP_PORTS": "8080"
},
"publishAllPorts": true,
"useSSL": true
}
},
"$schema": "http://json.schemastore.org/launchsettings.json",
"iisSettings": {
"windowsAuthentication": false,
"anonymousAuthentication": true,
"iisExpress": {
"applicationUrl": "http://localhost:36910",
"sslPort": 44372
}
}
}

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@@ -0,0 +1,16 @@
using FluentValidation;
using JoaoLoureiro.Portfolio.Api.Dtos;
namespace JoaoLoureiro.Portfolio.Api.Validators;
public class ContactMessageRequestValidator : AbstractValidator<ContactMessageRequest>
{
public ContactMessageRequestValidator()
{
RuleFor(x => x.Name).NotEmpty().WithErrorCode("status_error_all_fields");
RuleFor(x => x.Message).NotEmpty().WithErrorCode("status_error_all_fields");
RuleFor(x => x.Email)
.NotEmpty().WithErrorCode("status_error_all_fields")
.EmailAddress().WithErrorCode("status_error_invalid_email");
}
}

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@@ -0,0 +1,8 @@
{
"Logging": {
"LogLevel": {
"Default": "Information",
"Microsoft.AspNetCore": "Warning"
}
}
}

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@@ -0,0 +1,8 @@
using JoaoLoureiro.Portfolio.Core.Models;
namespace JoaoLoureiro.Portfolio.Core.Interfaces;
public interface IEmailSender
{
Task SendEmailAsync(EmailToSend email, CancellationToken cancellationToken = default);
}

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@@ -0,0 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

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@@ -0,0 +1,8 @@
namespace JoaoLoureiro.Portfolio.Core.Models;
public class EmailToSend
{
public required string SenderName { get; set; }
public required string ReplyToEmail { get; set; }
public required string MessageBody { get; set; }
}

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@@ -0,0 +1,15 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace JoaoLoureiro.Portfolio.Domain.Entities
{
public class ContactMessage(string name, Email replyToEmail, string message)
{
public string Name { get; private set; } = name;
public Email ReplyToEmail { get; private set; } = replyToEmail;
public string Message { get; private set; } = message;
}
}

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namespace JoaoLoureiro.Portfolio.Domain.Entities;
public record Email(string Address);

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@@ -0,0 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

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@@ -0,0 +1,31 @@

using JoaoLoureiro.Portfolio.Infrastructure.Settings;
using MailKit.Net.Smtp;
using MailKit.Security;
using Microsoft.Extensions.Diagnostics.HealthChecks;
using Microsoft.Extensions.Options;
namespace JoaoLoureiro.Portfolio.Infrastructure.HealthCheck;
public class SmtpHealthCheck(IOptions<SmtpSettings> smtpSettings) : IHealthCheck
{
private readonly SmtpSettings _smtpSettings = smtpSettings.Value;
public async Task<HealthCheckResult> CheckHealthAsync(
HealthCheckContext context,
CancellationToken cancellationToken = default)
{
using var client = new SmtpClient();
try
{
await client.ConnectAsync(_smtpSettings.Host, _smtpSettings.Port, SecureSocketOptions.StartTlsWhenAvailable, cancellationToken);
await client.AuthenticateAsync(_smtpSettings.User, _smtpSettings.Pass, cancellationToken);
await client.DisconnectAsync(true, cancellationToken);
return HealthCheckResult.Healthy("SMTP server is responding correctly.");
}
catch (Exception ex)
{
return HealthCheckResult.Unhealthy("Failed to connect or authenticate with SMTP server.", exception: ex);
}
}
}

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@@ -0,0 +1,18 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="AspNetCore.HealthChecks.System" Version="9.0.0" />
<PackageReference Include="MailKit" Version="4.13.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\JoaoLoureiro.Portfolio.Application\JoaoLoureiro.Portfolio.Core.csproj" />
</ItemGroup>
</Project>

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@@ -0,0 +1,44 @@
using JoaoLoureiro.Portfolio.Core.Interfaces;
using JoaoLoureiro.Portfolio.Core.Models;
using JoaoLoureiro.Portfolio.Infrastructure.Settings;
using MailKit.Net.Smtp;
using MailKit.Security;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using MimeKit;
namespace JoaoLoureiro.Portfolio.Infrastructure.Services;
public class SmtpEmailSender(IOptions<SmtpSettings> smtpSettings, ILogger<SmtpEmailSender> logger) : IEmailSender
{
private readonly SmtpSettings _smtpSettings = smtpSettings.Value;
private readonly ILogger<SmtpEmailSender> _logger = logger;
public async Task SendEmailAsync(EmailToSend email, CancellationToken cancellationToken = default)
{
var mimeMessage = new MimeMessage();
var fromAddress = _smtpSettings.FromEmail ?? _smtpSettings.User;
mimeMessage.From.Add(new MailboxAddress(email.SenderName, fromAddress));
mimeMessage.To.Add(MailboxAddress.Parse(_smtpSettings.ReceivingEmail));
mimeMessage.ReplyTo.Add(MailboxAddress.Parse(email.ReplyToEmail));
mimeMessage.Subject = $"New Portfolio Contact: {email.SenderName}";
var builder = new BodyBuilder
{
TextBody = $"Name: {email.SenderName}\nEmail: {email.ReplyToEmail}\nMessage: {email.MessageBody}",
HtmlBody = $@"<p><strong>Name:</strong> {email.SenderName}</p>
<p><strong>Email:</strong> <a href=""mailto:{email.ReplyToEmail}"">{email.ReplyToEmail}</a></p>
<p><strong>Message:</strong></p>
<p>{email.MessageBody.Replace("\n", "<br>")}</p>"
};
mimeMessage.Body = builder.ToMessageBody();
using var client = new SmtpClient();
await client.ConnectAsync(_smtpSettings.Host, _smtpSettings.Port, SecureSocketOptions.StartTlsWhenAvailable, cancellationToken);
await client.AuthenticateAsync(_smtpSettings.User, _smtpSettings.Pass, cancellationToken);
await client.SendAsync(mimeMessage, cancellationToken);
_logger.LogInformation("Email sent successfully to {Recipient}", _smtpSettings.ReceivingEmail);
}
}

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namespace JoaoLoureiro.Portfolio.Infrastructure.Settings;
public class SmtpSettings
{
public required string Host { get; set; }
public int Port { get; set; }
public required string User { get; set; }
public required string Pass { get; set; }
public string? FromEmail { get; set; }
public required string ReceivingEmail { get; set; }
}

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<Solution>
<Project Path="JoaoLoureiro.Portfolio.Api/JoaoLoureiro.Portfolio.Api.csproj" />
<Project Path="JoaoLoureiro.Portfolio.Application/JoaoLoureiro.Portfolio.Core.csproj" />
<Project Path="JoaoLoureiro.Portfolio.Infrastructure/JoaoLoureiro.Portfolio.Infrastructure.csproj" />
</Solution>

View File

@@ -1,96 +1,74 @@
# Portfolio API Backend # JoaoLoureiro.Portfolio Backend
This is a simple and efficient backend server built with Node.js and Express. Its primary purpose is to handle the contact form submissions from the portfolio frontend, sending emails via SMTP using Nodemailer. This is the backend for my portfolio application. It is a simple .NET 8 API that handles sending contact messages from the frontend.
## ✨ Features ## Technologies
* **Email Service**: Securely sends emails from the contact form. * .NET 8
* **Input Validation**: Ensures required fields (`name`, `email`, `message`) are present and the email format is valid. * ASP.NET Core
* **CORS Enabled**: Configured with CORS to only accept requests from the frontend application. * Docker
* **Specific Error Handling**: Returns structured error keys for different SMTP and server issues, allowing the frontend to display translated, user-friendly messages. * Serilog for logging
* **Health Check**: Includes a `/api/health` endpoint to easily verify if the server is running. * FluentValidation for request validation
* AutoMapper for object mapping
## 🛠️ Tech Stack ## Project Structure
* **Runtime**: [Node.js](https://nodejs.org/) The solution follows a clean architecture pattern:
* **Framework**: [Express.js](https://expressjs.com/)
* **Email**: [Nodemailer](https://nodemailer.com/)
* **Environment Variables**: [Dotenv](https://github.com/motdotla/dotenv)
* **Cross-Origin Requests**: [CORS](https://github.com/expressjs/cors)
## 🚀 Getting Started * `JoaoLoureiro.Portfolio.Api`: The main API project, containing the endpoint for sending emails.
* `JoaoLoureiro.Portfolio.Application`: Contains the core business logic and interfaces.
* `JoaoLoureiro.Portfolio.Domain`: Contains the domain entities.
* `JoaoLoureiro.Portfolio.Infrastructure`: Contains the implementation of services, such as the email sender.
## Getting Started
### Prerequisites ### Prerequisites
* Node.js (v18 or later) * .NET 8 SDK
* npm * An SMTP server for sending emails.
### Installation & Setup ### Running the application
1. Clone the repository.
2. Navigate to the `backend` directory.
3. Configure the `SmtpSettings` in `JoaoLoureiro.Portfolio.Api/appsettings.json`.
4. Run the application using the following command:
1. **Navigate to the backend directory:**
```bash ```bash
cd backend dotnet run --project JoaoLoureiro.Portfolio.Api
``` ```
2. **Install dependencies:** ## API Endpoints
```bash
npm install
```
3. **Create an environment file:** ### POST /api/email/send
Create a file named `.env` in the `backend` directory and populate it with your credentials. **Do not commit this file to version control.**
**.env.example** This endpoint accepts a contact form submission and sends it as an email.
```env
# The port for the backend server
BACKEND_PORT=3001
# Your frontend URL for CORS **Request Body:**
FRONTEND_URL=http://localhost:3000
# Nodemailer SMTP Configuration
SMTP_HOST=smtp.example.com
SMTP_PORT=587
SMTP_SECURE=false
SMTP_USER=your-email@example.com
SMTP_PASS=your-email-password
YOUR_RECEIVING_EMAIL=your-personal-email@example.com
```
4. **Run the server:**
```bash
npm start
```
The server will start on the port defined in your `.env` file (e.g., `3001`).
## 📝 API Endpoints
### Health Check
* **GET** `/api/health`
* **Description**: Checks the server status.
* **Success Response (200)**:
```json
{ "status": "UP", "message": "Backend is running" }
```
### Send Email
* **POST** `/api/email/send`
* **Description**: Processes and sends a contact form submission.
* **Request Body**:
```json ```json
{ {
"name": "string", "name": "John Doe",
"email": "string", "email": "john.doe@example.com",
"message": "string" "message": "Hello, I would like to get in touch with you."
} }
``` ```
* **Success Response (200)**:
```json **Responses:**
{ "message": "Message sent successfully!" }
``` * `200 OK`: If the message was sent successfully.
* **Error Responses (4xx/5xx)**: Returns a JSON object with an `errorKey` for the frontend to translate. * `400 Bad Request`: If the request is invalid.
```json * `500 Internal Server Error`: If an unexpected error occurs.
{ "errorKey": "smtp_auth_failed" }
``` ### GET /health
This endpoint returns the health of the application, including the status of the SMTP connection.
## Configuration
The application is configured using the `appsettings.json` file in the `JoaoLoureiro.Portfolio.Api` project.
* `SmtpSettings`: Configuration for the SMTP server.
* `CorsOrigins`: A comma-separated list of allowed origins for CORS.
* `ProxyIP`: The IP address of a trusted proxy.
* `Serilog`: Configuration for logging.

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@@ -1,12 +1,13 @@
{ {
"apps": [{ "apps": [{
"name": "portfolio-backend", "name": "portfolio-backend",
"script": "server.js", "script": "dotnet",
"args": "JoaoLoureiro.Portfolio.Api/bin/Release/net8.0/JoaoLoureiro.Portfolio.Api.dll",
"instances": 1, "instances": 1,
"autorestart": true, "autorestart": true,
"watch": false, "watch": false,
"env": { "env": {
"NODE_ENV": "production" "ASPNETCORE_ENVIRONMENT": "Production"
} }
}] }]
} }

7
backend/global.json Normal file
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@@ -0,0 +1,7 @@
{
"sdk": {
"version": "10.0.0",
"rollForward": "latestMajor",
"allowPrerelease": true
}
}

View File

@@ -1,871 +0,0 @@
{
"name": "backend",
"version": "1.0.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "backend",
"version": "1.0.0",
"license": "ISC",
"dependencies": {
"cors": "^2.8.5",
"dotenv": "^16.5.0",
"express": "^5.1.0",
"nodemailer": "^7.0.3"
}
},
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"license": "MIT",
"dependencies": {
"mime-types": "^3.0.0",
"negotiator": "^1.0.0"
},
"engines": {
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"license": "ISC"
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}

View File

@@ -1,20 +0,0 @@
{
"name": "backend",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"start": "node server.js",
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"type": "commonjs",
"dependencies": {
"cors": "^2.8.5",
"dotenv": "^16.5.0",
"express": "^5.1.0",
"nodemailer": "^7.0.3"
}
}

View File

@@ -1,58 +0,0 @@
const express = require('express');
const nodemailer = require('nodemailer');
const router = express.Router();
router.post('/send', async (req, res) => {
const { name, email, message } = req.body;
if (!name || !email || !message) {
return res.status(400).json({ errorKey: 'status_error_all_fields' });
}
if (!/\S+@\S+\.\S+/.test(email)) {
return res.status(400).json({ errorKey: 'status_error_invalid_email' });
}
const transporter = nodemailer.createTransport({
host: process.env.SMTP_HOST,
port: parseInt(process.env.SMTP_PORT || '587', 10),
secure: process.env.SMTP_SECURE === 'true',
auth: {
user: process.env.SMTP_USER,
pass: process.env.SMTP_PASS,
},
});
const mailOptions = {
from: `"${name}" <${process.env.SMTP_FROM_EMAIL || process.env.SMTP_USER}>`,
replyTo: email,
to: process.env.YOUR_RECEIVING_EMAIL,
subject: `New Portfolio Contact: ${name}`,
text: `Name: ${name}\nEmail: ${email}\nMessage: ${message}`,
html: `<p><strong>Name:</strong> ${name}</p>
<p><strong>Email:</strong> <a href="mailto:${email}">${email}</a></p>
<p><strong>Message:</strong></p>
<p>${message.replace(/\n/g, '<br>')}</p>`,
};
try {
await transporter.sendMail(mailOptions);
res.status(200).json({ message: 'Message sent successfully!' });
} catch (error) {
if (error.code) {
switch (error.code) {
case 'EAUTH':
return res.status(500).json({ errorKey: 'smtp_auth_failed' });
case 'ECONNECTION':
return res.status(500).json({ errorKey: 'smtp_connection_failed' });
case 'EENVELOPE':
return res.status(400).json({ errorKey: 'smtp_invalid_recipient' });
default:
return res.status(500).json({ errorKey: 'smtp_generic_error' });
}
}
res.status(500).json({ errorKey: 'server_unexpected_error' });
}
});
module.exports = router;

View File

@@ -1,26 +0,0 @@
require('dotenv').config();
const express = require('express');
const cors = require('cors');
const emailRoutes = require('./routes/email');
const app = express();
const PORT = process.env.BACKEND_PORT || 3001;
// Middleware
app.use(cors({
origin: process.env.FRONTEND_URL || 'http://localhost:3000', // Adjust for your frontend URL
}));
app.use(express.json());
// Routes
app.use('/api/email', emailRoutes); // All email routes will be prefixed with /api/email
app.get('/api/health', (req, res) => { // Health check endpoint
res.status(200).json({ status: 'UP', message: 'Backend is running' });
});
app.listen(PORT, () => {
console.log(`Backend server running on port ${PORT}`);
});