Net Docker

What I Do

I create Docker configuration for .NET apps:

• Multi-stage Dockerfile
• docker-compose for local development
• Production-ready configuration
• Health checks
• Volume mounts
• Environment variables

When to Use Me

Use this skill when:

• Containerizing .NET application
• Setting up local development environment
• Preparing for deployment
• Creating container orchestration

Docker Files

Multi-stage Dockerfile

# Build stage
FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
WORKDIR /src
COPY ["src/ProjectName.Api/ProjectName.Api.csproj", "ProjectName.Api/"]
COPY ["src/ProjectName.Application/ProjectName.Application.csproj", "ProjectName.Application/"]
COPY ["src/ProjectName.Domain/ProjectName.Domain.csproj", "ProjectName.Domain/"]
COPY ["src/ProjectName.Infrastructure/ProjectName.Infrastructure.csproj", "ProjectName.Infrastructure/"]
RUN dotnet restore "ProjectName.Api/ProjectName.Api.csproj"
COPY . .
WORKDIR "/src/ProjectName.Api"
RUN dotnet build "ProjectName.Api.csproj" -c Release -o /app/build

# Publish stage
FROM build AS publish
RUN dotnet publish "ProjectName.Api.csproj" -c Release -o /app/publish /p:UseAppHost=false

# Runtime stage
FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS final
WORKDIR /app
EXPOSE 80
EXPOSE 443
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "ProjectName.Api.dll"]
HEALTHCHECK --interval=30s --timeout=3s \
  CMD curl -f http://localhost/health || exit 1