name: Docker Build Smoke Tests

on:
  workflow_dispatch:
  pull_request:
    paths:
      - '.github/workflows/docker-smoke.yml'
      - '.dockerignore'
      - 'Dockerfile.multi'
      - 'package.json'
      - 'package-lock.json'
      - 'api/**'
      - 'client/**'
      - 'config/**'
      - 'skill/**'
      - 'packages/api/**'
      - 'packages/client/**'
      - 'packages/data-provider/**'
      - 'packages/data-schemas/**'

permissions:
  contents: read

concurrency:
  group: docker-smoke-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  client-package-target:
    name: Build Docker client package target
    runs-on: ubuntu-latest
    timeout-minutes: 25
    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build client package target
        uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile.multi
          platforms: linux/amd64
          push: false
          target: client-package-build

  api-runtime-smoke:
    name: API runtime smoke (production image boots)
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # Build the real production image (final `api-build` stage), which installs
      # with `npm ci --omit=dev` — the same prune that, in prod, exposed runtime
      # dependencies the tsdown bundle externalizes but were never declared.
      - name: Build production image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile.multi
          platforms: linux/amd64
          push: false
          load: true
          tags: librechat-api-smoke:ci
          cache-from: type=gha,scope=docker-smoke-api
          cache-to: type=gha,mode=max,scope=docker-smoke-api

      # Loads the entire externalized require graph of the built @librechat/api
      # bundle inside the pruned production image. A missing or ESM-incompatible
      # runtime dependency (e.g. the `get-stream` regression) fails here with a
      # non-zero exit — deterministically, with no database required.
      - name: Verify production image resolves all runtime modules
        run: |
          docker run --rm librechat-api-smoke:ci \
            node -e "require('@librechat/api'); require('@librechat/api/telemetry'); console.log('module resolution OK')"

      # Boot the real entrypoint against a real MongoDB so the *entire* server
      # require graph loads (api/db throws at module scope without MONGO_URI, and
      # is imported before models/services/routes), then gate on /readyz AND the
      # container staying alive. /readyz only returns 200 after the post-listen
      # startup (initializeMCPs + checkMigrations) sets serverReady, and those
      # steps process.exit(1) on failure — so ANY startup crash (missing module,
      # ReferenceError, bad config, post-listen failure) fails the smoke.
      - name: Boot production image against MongoDB and poll /readyz
        run: |
          set -u
          docker network create lc-smoke
          docker run -d --name lc-mongo --network lc-smoke mongo:8.0.20
          docker run -d --name lc-api --network lc-smoke -p 3080:3080 \
            -e HOST=0.0.0.0 -e PORT=3080 \
            -e NODE_ENV=production \
            -e MONGO_URI=mongodb://lc-mongo:27017/LibreChat \
            -e CREDS_KEY=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef \
            -e CREDS_IV=0123456789abcdef0123456789abcdef \
            -e JWT_SECRET=docker-smoke-jwt-secret \
            -e JWT_REFRESH_SECRET=docker-smoke-jwt-refresh-secret \
            -e SEARCH=false \
            librechat-api-smoke:ci

          healthy=""
          for i in $(seq 1 60); do
            if [ "$(docker inspect -f '{{.State.Running}}' lc-api 2>/dev/null)" != "true" ]; then
              echo "::error::API container exited during startup (exit code $(docker inspect -f '{{.State.ExitCode}}' lc-api 2>/dev/null))"
              break
            fi
            if [ "$(curl -sS -o /dev/null -w '%{http_code}' http://localhost:3080/readyz 2>/dev/null || true)" = "200" ]; then
              healthy="yes"
              echo "/readyz returned 200 — server fully booted (post-listen startup complete)."
              break
            fi
            sleep 2
          done

          echo "----- last 100 lines of api container logs -----"
          docker logs lc-api 2>&1 | tail -100 || true
          echo "------------------------------------------------"
          docker rm -f lc-api lc-mongo >/dev/null 2>&1 || true
          docker network rm lc-smoke >/dev/null 2>&1 || true

          if [ -z "$healthy" ]; then
            echo "::error::Production image failed to reach a ready /readyz within timeout"
            exit 1
          fi