# Express.js Optimized Dockerfile
# Auto-generated for {{ app_name }}
# Node.js Version: {{ node_version }}
# Package Manager: {{ package_manager }}

# ============================================================================
# Build arguments
# ============================================================================
ARG NODE_VERSION={{ node_version }}
ARG PACKAGE_MANAGER={{ package_manager }}
ARG BUILD_COMMAND={{ build_command }}
ARG APP_PORT={{ framework_settings_port }}
ARG NODE_ENV=production

# ============================================================================
# Base stage
# ============================================================================
FROM gitlab.forlife.one:5050/share/node:${NODE_VERSION}-alpine AS base

# Install dependencies for native modules and health checks
RUN apk update && apk add imagemagick && apk add graphicsmagick && apk add tmux && apk add ffmpeg

RUN apk add --no-cache \
    libc6-compat \
    python3 \
    make \
    g++ \
    curl \
    dumb-init

# ============================================================================
# Production stage
# ============================================================================
FROM base AS production

COPY . ./app

WORKDIR /app

RUN npm install

# Build arguments
ARG GIT_COMMIT=unknown
ARG BUILD_DATE=unknown

# Set build environment
ENV NODE_ENV=production

# Create build info endpoint
RUN mkdir -p src/common && \
    echo 'export const BUILD_INFO = {"version":"{{ docker_image_tag }}","commit":"'${GIT_COMMIT}'","buildDate":"'${BUILD_DATE}'","framework":"expressjs","nodeVersion":"{{ node_version }}"}' > src/common/build-info.ts

# Build app
RUN npm run build

# Create non-root user
RUN addgroup --system --gid 1001 expressjs && adduser --system --uid 1001 expressjs

# Ensure dist folder is owned by expressjs user
RUN chown -R expressjs:expressjs /app/dist

# Set environment variables
ENV NODE_ENV=production
ENV PORT=${APP_PORT}
ENV APP_PORT=${APP_PORT}
ENV NODE_OPTIONS="--max-old-space-size={{ MEMORY_LIMIT_MB }}"

RUN echo '#!/bin/sh\n\
status=$(curl -s -o /dev/null -w "%{http_code}" http://localhost:${APP_PORT}/health)\n\
if [ "$status" -eq 200 ] || [ "$status" -eq 404 ]; then exit 0; fi\n\
\n\
status=$(curl -s -o /dev/null -w "%{http_code}" http://localhost:${APP_PORT}/)\n\
if [ "$status" -eq 200 ] || [ "$status" -eq 404 ]; then exit 0; fi\n\
\n\
exit 1' > /health-check.sh && \
    chmod +x /health-check.sh

# Create logs directory
RUN mkdir -p ./logs && chown -R expressjs:expressjs ./logs
RUN ([ -d "./src/public" ] && cp -r ./src/public ./dist && chown -R expressjs:expressjs ./dist/public) || true

# Switch to non-root user
USER expressjs

# Expose port
EXPOSE ${APP_PORT}

# Health check
#HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 CMD /health-check.sh

# Start the application with dumb-init for proper signal handling
#CMD ["dumb-init", "node", "dist/main"]
CMD {{ RUN_CMD }}