GMW/infra/docker/Dockerfile.discord-gateway

# ---- Stage 1: Build native deps + TypeScript ----
FROM node:22-slim AS builder

WORKDIR /app

RUN corepack enable

# Build tools + Rust for native compilation
RUN apt-get update -qq && apt-get install -y -qq --no-install-recommends \
    python3 make g++ curl ca-certificates \
    && rm -rf /var/lib/apt/lists/* \
    && curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable
ENV PATH="/root/.cargo/bin:${PATH}"

# Dependency manifests
COPY services/discord-gateway/package.json services/discord-gateway/pnpm-lock.yaml* ./services/discord-gateway/
COPY patches ./patches

# Install ALL deps (including devDeps needed for build)
RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
    cd services/discord-gateway && pnpm install --frozen-lockfile

# Source code (shared code is embedded in src/shared/)
COPY services/discord-gateway ./services/discord-gateway
COPY services/discord-gateway/drizzle ./drizzle

# Build
RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
    cd services/discord-gateway && pnpm run build \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# ---- Stage 2: Runtime (minimal) ----
FROM node:22-slim

WORKDIR /app

# Runtime system deps only
RUN apt-get update -qq && apt-get install -y -qq --no-install-recommends \
    ffmpeg ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# Copy built artifacts
COPY --from=builder /app/services/discord-gateway/dist ./services/discord-gateway/dist
COPY --from=builder /app/services/discord-gateway/node_modules ./services/discord-gateway/node_modules
COPY --from=builder /app/services/discord-gateway/package.json ./services/discord-gateway/package.json
COPY --from=builder /app/drizzle ./drizzle

# Create recordings dir and set ownership
RUN mkdir -p /app/recordings && chown -R node:node /app
USER node

HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
  CMD sh -c "kill -0 1"

CMD ["node", "services/discord-gateway/dist/index.js"]