FROM node:22-alpine AS base
ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable

FROM base AS builder
WORKDIR /app
# Copy workspace manifests first for layer-cached install
COPY pnpm-workspace.yaml pnpm-lock.yaml package.json ./
COPY apps/gateway/package.json ./apps/gateway/
COPY packages/ ./packages/
COPY plugins/ ./plugins/
# the root prepare script runs scripts/install-hooks.mjs on install
COPY scripts/ ./scripts/
RUN pnpm install --frozen-lockfile
COPY . .
# Build gateway and all of its workspace dependencies via turbo dependency graph
RUN pnpm turbo run build --filter @mosaicstack/gateway...
# Produce a self-contained deploy artifact: flat node_modules, no pnpm symlinks
# --legacy is required for pnpm v10 when inject-workspace-packages is not set
RUN pnpm --filter @mosaicstack/gateway --prod deploy --legacy /deploy

FROM base AS runner
WORKDIR /app
ENV NODE_ENV=production
# WorkspaceService shells out to git at runtime and roots workspaces at
# $MOSAIC_ROOT/.workspaces (apps/gateway/src/workspace/workspace.service.ts);
# mount a volume over /opt/mosaic to persist workspaces across container restarts.
# Intentionally unpinned: Alpine's signed repository is the trust anchor; pinning
# git was declined so routine base-image security updates remain maintainable.
RUN apk add --no-cache git \
  && mkdir -p /opt/mosaic/.workspaces \
  && chown -R node:node /opt/mosaic /app
ENV MOSAIC_ROOT=/opt/mosaic
# Use the pnpm deploy output — resolves all deps into a flat, self-contained node_modules
COPY --chown=node:node --from=builder /deploy/node_modules ./node_modules
COPY --chown=node:node --from=builder /deploy/package.json ./package.json
# dist is declared in package.json "files" so pnpm deploy copies it into /deploy;
# copy from builder explicitly as belt-and-suspenders
COPY --chown=node:node --from=builder /app/apps/gateway/dist ./dist
# gateway defaults to port 14242 (apps/gateway/src/main.ts)
EXPOSE 14242
USER node
CMD ["node", "dist/main.js"]