# Use the official ASP.NET Core runtime image (optimized)
FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
WORKDIR /app
EXPOSE 5000

# Install curl for health checks
RUN apt-get update && \
    apt-get install -y curl && \
    rm -rf /var/lib/apt/lists/*

# Use the SDK image for building
FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
WORKDIR /src

# Copy project files first for better layer caching
COPY ["LittleShop/LittleShop.csproj", "LittleShop/"]
COPY ["LittleShop.Client/LittleShop.Client.csproj", "LittleShop.Client/"]

# Restore packages in a separate layer
RUN dotnet restore "LittleShop/LittleShop.csproj" \
    --runtime linux-x64 \
    --no-cache \
    --verbosity minimal

# Copy source code
COPY LittleShop/ LittleShop/
COPY LittleShop.Client/ LittleShop.Client/
WORKDIR "/src/LittleShop"

# Build with optimizations
RUN dotnet build "LittleShop.csproj" \
    -c Release \
    -o /app/build \
    --no-restore \
    --verbosity minimal

# Publish stage with optimizations
FROM build AS publish
RUN dotnet publish "LittleShop.csproj" \
    -c Release \
    -o /app/publish \
    --no-restore \
    --no-build \
    --runtime linux-x64 \
    --self-contained false \
    /p:PublishTrimmed=false \
    /p:PublishSingleFile=false \
    /p:DebugType=None \
    /p:DebugSymbols=false

# Final optimized stage
FROM base AS final
WORKDIR /app

# Switch to root to create directories and set permissions
USER root

# Create directories with proper ownership
RUN mkdir -p /app/wwwroot/uploads/products \
    && mkdir -p /app/data \
    && mkdir -p /app/logs \
    && chown -R $APP_UID:$APP_UID /app \
    && chmod -R 755 /app/wwwroot/uploads \
    && chmod -R 755 /app/data \
    && chmod -R 755 /app/logs

# Copy published app
COPY --from=publish --chown=$APP_UID:$APP_UID /app/publish .

# Switch back to non-root user
USER $APP_UID

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:5000/api/catalog/products || exit 1

# Optimize runtime
ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=0 \
    DOTNET_RUNNING_IN_CONTAINER=true \
    DOTNET_USE_POLLING_FILE_WATCHER=true \
    ASPNETCORE_FORWARDEDHEADERS_ENABLED=true \
    ASPNETCORE_URLS=http://+:5000 \
    ASPNETCORE_ENVIRONMENT=Production

ENTRYPOINT ["dotnet", "LittleShop.dll"]