# ReadMeABook - Unified Dockerfile
# Single container with PostgreSQL, Redis, and Next.js app
# Designed for easy deployment with minimal configuration

# Start from debian base with node preinstalled
FROM node:20-bookworm AS base

# Re-declare build arguments after FROM (ARGs before FROM are not available after)
ARG APP_VERSION=unknown
ARG GIT_COMMIT=unknown
ARG BUILD_DATE=unknown

# Install PostgreSQL 16 repository key
RUN apt-get update && apt-get install -y curl gnupg && \
    install -d /etc/apt/keyrings && \
    curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor -o /etc/apt/keyrings/postgresql.gpg && \
    echo "deb [signed-by=/etc/apt/keyrings/postgresql.gpg] http://apt.postgresql.org/pub/repos/apt bookworm-pgdg main" > /etc/apt/sources.list.d/postgresql.list

# Install PostgreSQL, Redis, supervisord, and gosu (for reliable user switching)
RUN apt-get update && apt-get install -y \
    postgresql-16 \
    postgresql-client-16 \
    redis-server \
    supervisor \
    curl \
    openssl \
    ffmpeg \
    locales \
    gosu \
    && sed -i 's/^# \(en_US.UTF-8 UTF-8\)/\1/' /etc/locale.gen \
    && locale-gen en_US.UTF-8 \
    && update-locale LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 \
    && rm -rf /var/lib/apt/lists/*

ENV LANG=en_US.UTF-8
ENV LC_ALL=en_US.UTF-8

WORKDIR /app

# Copy package files
COPY package.json package-lock.json* ./
COPY prisma ./prisma/

# Install ALL dependencies (including dev dependencies needed for build)
RUN npm ci && npm cache clean --force

# Copy application code (before generating Prisma to avoid overwriting)
COPY . .

# Generate Prisma client AFTER copying code (prevents stale generated files from overwriting)
ENV DATABASE_URL="postgresql://dummy:dummy@localhost:5432/dummy?schema=public"
RUN npx prisma generate

# Set version environment variables for build and runtime
ENV NEXT_PUBLIC_APP_VERSION=${APP_VERSION}
ENV NEXT_PUBLIC_GIT_COMMIT=${GIT_COMMIT}
ENV NEXT_PUBLIC_BUILD_DATE=${BUILD_DATE}
ENV APP_VERSION=${APP_VERSION}
ENV GIT_COMMIT=${GIT_COMMIT}
ENV BUILD_DATE=${BUILD_DATE}

# Build Next.js application
ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_ENV=production
ENV TURBOPACK=0
RUN npm run build

# Reorganize for standalone output
# Next.js standalone mode creates .next/standalone/ with server.js
# We need to move files to root for supervisord to find server.js
RUN cp -r .next/standalone/* . && \
    cp -r .next/static ./.next/static && \
    cp -r public ./public 2>/dev/null || true

# Remove dev dependencies to reduce image size
RUN npm prune --production

# Create necessary directories
RUN mkdir -p \
    /var/run/postgresql \
    /var/lib/postgresql/data \
    /var/lib/redis \
    /app/config \
    /app/cache \
    /downloads \
    /media \
    /app/.next/cache \
    /var/log/supervisor

# Setup PostgreSQL
RUN chown -R postgres:postgres /var/lib/postgresql /var/run/postgresql && \
    chmod 2777 /var/run/postgresql

# Setup Redis data directory
RUN chown -R redis:redis /var/lib/redis

# Setup app directories (node user)
RUN chown -R node:node /app/config /app/cache /downloads /media /app/.next/cache

# Copy supervisord configuration
COPY --chown=root:root docker/unified/supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Copy entrypoint script
COPY --chown=root:root docker/unified/entrypoint.sh /entrypoint.sh
# Convert line endings (Windows CRLF -> Unix LF) and make executable
RUN sed -i 's/\r$//' /entrypoint.sh && chmod +x /entrypoint.sh

# Copy app startup wrapper
COPY --chown=root:root docker/unified/app-start.sh /app/app-start.sh
# Convert line endings and make executable
RUN sed -i 's/\r$//' /app/app-start.sh && chmod +x /app/app-start.sh

# Copy redis startup wrapper
COPY --chown=root:root docker/unified/redis-start.sh /app/redis-start.sh
# Convert line endings and make executable
RUN sed -i 's/\r$//' /app/redis-start.sh && chmod +x /app/redis-start.sh

# Expose app port
EXPOSE 3030

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:3030/api/health || exit 1

# Set entrypoint
ENTRYPOINT ["/entrypoint.sh"]
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]