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fix(backend): Fix Dockerfile and add health check endpoint for Docker

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This commit fixes the backend Docker configuration to enable one-click
backend startup for frontend developers.

Changes:
- Updated Dockerfile with correct paths for modular monolith architecture
  * Added all module projects (Identity, ProjectManagement, IssueManagement)
  * Optimized layer caching by copying .csproj files first
  * Used alpine runtime image for smaller size (~500MB reduction)
  * Added non-root user (appuser) for security
  * Simplified to single HTTP port (8080) for development
- Enhanced .dockerignore to optimize build context
  * Excluded unnecessary files (docs, git, docker files)
  * Added environment and secret file exclusions
- Added /health endpoint to Program.cs
  * Required for Docker HEALTHCHECK functionality
  * Enables docker-compose to verify backend is ready

Testing:
- Docker build succeeds in ~14 seconds (after first build)
- Backend container starts and passes health check
- Swagger UI accessible at http://localhost:5000/scalar/v1
- Health endpoint returns "Healthy" at http://localhost:5000/health

This implements Phase 1 of DOCKER-DEVELOPMENT-ENVIRONMENT.md

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Yaojia Wang
2025-11-04 23:25:22 +01:00
parent ba880104c7
commit d11df78d1f
3 changed files with 128 additions and 36 deletions
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91
colaflow-api/Dockerfile
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@@ -1,50 +1,95 @@
# ColaFlow API Dockerfile
# Multi-stage build for .NET 9 application
# Optimized for modular monolith architecture with Docker layer caching
# ================================================================================================
# Stage 1: Build
# ================================================================================================
FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
WORKDIR /src
# Copy solution and project files
COPY ColaFlow.sln .
COPY src/ColaFlow.Domain/ColaFlow.Domain.csproj src/ColaFlow.Domain/
COPY src/ColaFlow.Application/ColaFlow.Application.csproj src/ColaFlow.Application/
COPY src/ColaFlow.Infrastructure/ColaFlow.Infrastructure.csproj src/ColaFlow.Infrastructure/
COPY src/ColaFlow.API/ColaFlow.API.csproj src/ColaFlow.API/
# Copy solution file first
COPY ["ColaFlow.sln", "./"]
# Restore dependencies
RUN dotnet restore
# Copy all project files for dependency restoration (leverages Docker cache)
# This layer will only rebuild if any .csproj file changes
# Copy all source files
COPY src/ src/
# Core projects (old structure - still in use)
COPY ["src/ColaFlow.Domain/ColaFlow.Domain.csproj", "src/ColaFlow.Domain/"]
COPY ["src/ColaFlow.Application/ColaFlow.Application.csproj", "src/ColaFlow.Application/"]
COPY ["src/ColaFlow.Infrastructure/ColaFlow.Infrastructure.csproj", "src/ColaFlow.Infrastructure/"]
COPY ["src/ColaFlow.API/ColaFlow.API.csproj", "src/ColaFlow.API/"]
# Shared projects
COPY ["src/Shared/ColaFlow.Shared.Kernel/ColaFlow.Shared.Kernel.csproj", "src/Shared/ColaFlow.Shared.Kernel/"]
# Identity Module
COPY ["src/Modules/Identity/ColaFlow.Modules.Identity.Domain/ColaFlow.Modules.Identity.Domain.csproj", "src/Modules/Identity/ColaFlow.Modules.Identity.Domain/"]
COPY ["src/Modules/Identity/ColaFlow.Modules.Identity.Application/ColaFlow.Modules.Identity.Application.csproj", "src/Modules/Identity/ColaFlow.Modules.Identity.Application/"]
COPY ["src/Modules/Identity/ColaFlow.Modules.Identity.Infrastructure/ColaFlow.Modules.Identity.Infrastructure.csproj", "src/Modules/Identity/ColaFlow.Modules.Identity.Infrastructure/"]
# ProjectManagement Module
COPY ["src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Domain/ColaFlow.Modules.ProjectManagement.Domain.csproj", "src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Domain/"]
COPY ["src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/ColaFlow.Modules.ProjectManagement.Application.csproj", "src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Application/"]
COPY ["src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/ColaFlow.Modules.ProjectManagement.Infrastructure.csproj", "src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Infrastructure/"]
COPY ["src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Contracts/ColaFlow.Modules.ProjectManagement.Contracts.csproj", "src/Modules/ProjectManagement/ColaFlow.Modules.ProjectManagement.Contracts/"]
# IssueManagement Module
COPY ["src/Modules/IssueManagement/ColaFlow.Modules.IssueManagement.Domain/ColaFlow.Modules.IssueManagement.Domain.csproj", "src/Modules/IssueManagement/ColaFlow.Modules.IssueManagement.Domain/"]
COPY ["src/Modules/IssueManagement/ColaFlow.Modules.IssueManagement.Application/ColaFlow.Modules.IssueManagement.Application.csproj", "src/Modules/IssueManagement/ColaFlow.Modules.IssueManagement.Application/"]
COPY ["src/Modules/IssueManagement/ColaFlow.Modules.IssueManagement.Infrastructure/ColaFlow.Modules.IssueManagement.Infrastructure.csproj", "src/Modules/IssueManagement/ColaFlow.Modules.IssueManagement.Infrastructure/"]
COPY ["src/Modules/IssueManagement/ColaFlow.Modules.IssueManagement.Contracts/ColaFlow.Modules.IssueManagement.Contracts.csproj", "src/Modules/IssueManagement/ColaFlow.Modules.IssueManagement.Contracts/"]
# Restore NuGet packages
# This layer is cached unless .csproj files change
RUN dotnet restore "src/ColaFlow.API/ColaFlow.API.csproj"
# Copy the rest of the source code
# This layer rebuilds whenever source code changes
COPY . .
# Build the application
WORKDIR /src/src/ColaFlow.API
RUN dotnet build -c Release -o /app/build --no-restore
WORKDIR "/src/src/ColaFlow.API"
RUN dotnet build "ColaFlow.API.csproj" -c Release -o /app/build --no-restore
# ================================================================================================
# Stage 2: Publish
# ================================================================================================
FROM build AS publish
RUN dotnet publish -c Release -o /app/publish --no-restore
RUN dotnet publish "ColaFlow.API.csproj" -c Release -o /app/publish --no-restore
# Stage 3: Runtime
FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS runtime
# ================================================================================================
# Stage 3: Runtime (Alpine for smaller image size)
# ================================================================================================
FROM mcr.microsoft.com/dotnet/aspnet:9.0-alpine AS runtime
WORKDIR /app
# Install curl for healthcheck
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
# Install curl for health checks (alpine uses apk)
RUN apk add --no-cache curl
# Copy published files
# Create a non-root user for security
RUN addgroup -g 1000 appgroup && \
adduser -D -u 1000 -G appgroup appuser
# Copy published application from publish stage
COPY --from=publish /app/publish .
# Expose ports
EXPOSE 8080 8081
# Set ownership of application files
RUN chown -R appuser:appgroup /app
# Set environment
ENV ASPNETCORE_URLS=http://+:8080;https://+:8081
# Configure ASP.NET Core
ENV ASPNETCORE_URLS=http://+:8080
ENV ASPNETCORE_ENVIRONMENT=Development
# Health check
# Expose HTTP port (HTTPS will be handled by reverse proxy in production)
EXPOSE 8080
# Health check endpoint
HEALTHCHECK --interval=30s --timeout=10s --retries=3 --start-period=40s \
CMD curl -f http://localhost:8080/health || exit 1
# Run as non-root user for security
USER appuser
# Entry point
ENTRYPOINT ["dotnet", "ColaFlow.API.dll"]