# PIG — production image.
#
# Multi-stage so the runtime image carries no build toolchain and no source
# maps. The front end is built into the API's static directory and served from
# the same origin, which matters for more than tidiness: auth sessions are
# per-origin, so splitting the app across two hostnames turns sign-in into a
# redirect loop that looks like a broken deployment.

FROM node:22-alpine AS build
WORKDIR /app

# Corepack installs the exact pnpm pinned by `packageManager`, so the image
# builds with the same version as CI and as a developer's laptop.
#
# Both variables are load-bearing in a container build, and neither is
# optional:
#   - the download prompt cannot be answered by a non-interactive build;
#   - CI=true is what stops pnpm asking for confirmation before it touches a
#     modules directory it considers stale. Without it the build fails with
#     ERR_PNPM_ABORTED_REMOVE_MODULES_DIR_NO_TTY, which reads like a bug but is
#     pnpm correctly refusing to delete files nobody confirmed.
ENV COREPACK_ENABLE_DOWNLOAD_PROMPT=0
ENV CI=true
RUN corepack enable

# Manifests and the lockfile first, so a dependency install is cached across
# source-only edits. pnpm needs every workspace manifest present to resolve the
# graph, hence the file-by-file copy rather than `COPY . .`.
COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
COPY packages/core/package.json packages/core/
COPY packages/db/package.json packages/db/
COPY packages/prime/package.json packages/prime/
COPY apps/api/package.json apps/api/
COPY apps/web/package.json apps/web/
COPY apps/mcp/package.json apps/mcp/
COPY apps/cli/package.json apps/cli/
COPY apps/piggy/package.json apps/piggy/
RUN pnpm install --frozen-lockfile

COPY . .

# Typecheck as a build gate. A deploy that does not compile should fail here,
# loudly, rather than at runtime in front of a user.
RUN pnpm run typecheck

RUN pnpm -F @pig/web run build

# ---------------------------------------------------------------- runtime
FROM node:22-alpine AS runtime
WORKDIR /app

ENV NODE_ENV=production
ENV COREPACK_ENABLE_DOWNLOAD_PROMPT=0
ENV CI=true
RUN corepack enable

# Install production dependencies only. The server runs TypeScript directly, so
# tsx is declared in `dependencies` rather than `devDependencies` — it is
# genuinely needed at runtime, and pretending otherwise meant the old image had
# to reinstall it by hand after pruning.
COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
COPY packages/core/package.json packages/core/
COPY packages/db/package.json packages/db/
COPY packages/prime/package.json packages/prime/
COPY apps/api/package.json apps/api/
COPY apps/mcp/package.json apps/mcp/
COPY apps/cli/package.json apps/cli/
COPY apps/piggy/package.json apps/piggy/
# apps/web is a build-time workspace only; its manifest is still required for
# the lockfile to resolve, but none of its dependencies are installed here.
COPY apps/web/package.json apps/web/
RUN pnpm install --frozen-lockfile --prod --ignore-scripts

COPY packages ./packages
COPY apps/api ./apps/api
COPY apps/mcp ./apps/mcp
COPY apps/cli ./apps/cli
COPY apps/piggy ./apps/piggy
COPY --from=build /app/apps/web/dist ./apps/web/dist

# Run unprivileged. The node image ships a `node` user for exactly this.
RUN chown -R node:node /app
USER node

EXPOSE 8920

# The health endpoint is unauthenticated by design, so this works without
# credentials baked into the image.
HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
  CMD node -e "fetch('http://127.0.0.1:8920/api/health').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"

CMD ["pnpm", "exec", "tsx", "apps/api/src/server.ts"]
