ARG NODE_VERSION=24
ARG TURBO_VERSION=2.6.3
FROM node:${NODE_VERSION}-slim AS base
ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable

FROM base AS prepare
# Set working directory
WORKDIR /app
RUN pnpm install -g turbo@${TURBO_VERSION}
COPY . .
RUN turbo prune @olli/backend --docker

# Add lockfile and package.json's of isolated subworkspace
FROM base AS builder
WORKDIR /app
RUN pnpm install -g turbo@${TURBO_VERSION}

# First install dependencies (as they change less often)
COPY --from=prepare /app/out/json/ .
COPY --from=prepare /app/out/pnpm-lock.yaml ./pnpm-lock.yaml
RUN pnpm install --frozen-lockfile

# Build the project and its dependencies
COPY --from=prepare /app/out/full/ .
RUN turbo build --filter=@olli/backend

FROM base AS runner
WORKDIR /app

# Don't run production as root
RUN groupadd --system --gid 1001 backend
RUN useradd --system --uid 1001 --gid backend backend

# Copy package files and install production dependencies only
COPY --from=prepare /app/out/json/ .
COPY --from=prepare /app/out/pnpm-lock.yaml ./pnpm-lock.yaml
RUN pnpm install --prod --frozen-lockfile

# Copy built application
COPY --from=builder --chown=backend:backend /app/apps/backend/dist ./apps/backend/dist
COPY --from=builder --chown=backend:backend /app/apps/backend/package.json ./apps/backend/package.json

USER backend

# Set default environment variables (can be overridden)
ENV NODE_ENV=production
ENV PORT=80

EXPOSE 80

CMD ["node", "apps/backend/dist/index.js"]