# syntax=docker/dockerfile:1.6

# Main application builder stage
FROM ruby:3.3-alpine AS builder

# Ensure native extensions are built against musl libc rather than
# using glibc precompiled binaries (which fail on Alpine).
ENV BUNDLE_FORCE_RUBY_PLATFORM=true

# Install build dependencies and SQLite3
RUN apk add --no-cache \
    build-base \
    sqlite-dev \
    linux-headers \
    pkgconfig

# Set working directory
WORKDIR /app

# Copy Gemfile and install dependencies
COPY web/Gemfile web/Gemfile.lock* ./

# Install gems with SQLite3 support
RUN bundle config set --local force_ruby_platform true && \
    bundle config set --local without 'development test' && \
    bundle install --jobs=4 --retry=3

# Production stage
FROM ruby:3.3-alpine AS production

# Install runtime dependencies
RUN apk add --no-cache \
    sqlite \
    tzdata \
    curl

# Create non-root user
RUN addgroup -g 1000 -S potatomesh && \
    adduser -u 1000 -S potatomesh -G potatomesh

# Set working directory
WORKDIR /app

# Copy installed gems from builder stage
COPY --from=builder /usr/local/bundle /usr/local/bundle

# Copy application code (excluding the Dockerfile which is not required at runtime)
COPY --chown=potatomesh:potatomesh web/app.rb ./
COPY --chown=potatomesh:potatomesh web/app.sh ./
COPY --chown=potatomesh:potatomesh web/Gemfile ./
COPY --chown=potatomesh:potatomesh web/Gemfile.lock* ./
COPY --chown=potatomesh:potatomesh web/lib ./lib
COPY --chown=potatomesh:potatomesh web/spec ./spec
COPY --chown=potatomesh:potatomesh web/public ./public
COPY --chown=potatomesh:potatomesh web/views ./views
COPY --chown=potatomesh:potatomesh web/scripts ./scripts

# Copy SQL schema files from data directory
COPY --chown=potatomesh:potatomesh data/*.sql /data/

# Create data and configuration directories with correct ownership
RUN mkdir -p /app/.local/share/potato-mesh \
    && mkdir -p /app/.config/potato-mesh/well-known \
    && chown -R potatomesh:potatomesh /app/.local/share /app/.config

# Switch to non-root user
USER potatomesh

# Expose port
EXPOSE 41447

# Default environment variables (can be overridden by host)
ENV RACK_ENV=production \
    APP_ENV=production \
    XDG_DATA_HOME=/app/.local/share \
    XDG_CONFIG_HOME=/app/.config \
    SITE_NAME="PotatoMesh Demo" \
    CHANNEL="#LongFast" \
    FREQUENCY="915MHz" \
    MAP_CENTER="38.761944,-27.090833" \
    MAX_DISTANCE=42 \
    CONTACT_LINK="#potatomesh:dod.ngo" \
    DEBUG=0

# Start the application
CMD ["ruby", "app.rb", "-p", "41447", "-o", "0.0.0.0"]