fix: API Dockerfile — fresh pnpm install --prod in production stage

pnpm hoisted node_modules uses symlinks that break when copied between
Docker stages. Install production deps fresh in final stage instead.
Set WORKDIR to /app/apps/api so dist/main resolves correctly.

Co-Authored-By: Claude Opus 4 (1M context) <noreply@anthropic.com>

apps/api/Dockerfile

@@ -47,16 +47,21 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends dumb-init openssl \
     && rm -rf /var/lib/apt/lists/*
 
-WORKDIR /app
+WORKDIR /app/apps/api
 
 ENV NODE_ENV=production
 
-# Copy full node_modules from build stage (pnpm deploy --prod is unreliable in monorepo)
-COPY --from=build --chown=node:node /app/node_modules ./node_modules
+# Install production dependencies fresh (pnpm hoisted node_modules has broken symlinks in Docker)
+COPY --from=deps /app/pnpm-lock.yaml /app/pnpm-workspace.yaml /app/package.json /app/turbo.json /app/
+COPY --from=deps /app/apps/api/package.json /app/apps/api/
+COPY --from=deps /app/prisma /app/prisma
+RUN corepack enable && corepack prepare pnpm@10.27.0 --activate \
+    && cd /app && pnpm install --frozen-lockfile --filter @goodgo/api... --prod \
+    && npx prisma generate
 # Copy compiled application
 COPY --from=build --chown=node:node /app/apps/api/dist ./dist
-# Prisma schema + migrations (needed for runtime client & migrate deploy)
-COPY --from=build --chown=node:node /app/prisma ./prisma
+# Prisma schema
+COPY --from=build --chown=node:node /app/prisma /app/prisma
 # Package metadata
 COPY --from=build --chown=node:node /app/apps/api/package.json ./package.json
 # Entrypoint script