ci: fix & fuse docker builds (Lightning-AI#18440)

.github/checkgroup.yml

@@ -134,7 +134,7 @@ subprojects:
   - id: "pytorch_lightning: Docker"
     paths:
       - ".actions/*"
-      - ".github/workflows/ci-dockers.yml"
+      - ".github/workflows/docker-build.yml"
       - "dockers/**"
       - "requirements/pytorch/**"
       - "requirements/fabric/**"
@@ -425,13 +425,3 @@ subprojects:
       - "install-pkg (windows-2022, lightning, 3.11)"
       - "install-pkg (windows-2022, notset, 3.8)"
       - "install-pkg (windows-2022, notset, 3.11)"
-
-  - id: "release dockers"
-    paths:
-      - ".github/workflows/release-docker.yml"
-      - "dockers/release/*"
-    checks:
-      - "publish-docker (3.9, 1.13, 12.0.1)"
-      - "publish-docker (3.9, 1.13, 12.0.1)"
-      - "publish-docker (3.10, 2.0, 11.8.0)"
-      - "publish-docker (3.10, 2.0, 12.0.1)"

.github/workflows/ci-dockers.yml → .github/workflows/docker-build.yml

@@ -1,4 +1,4 @@
-name: Docker
+name: Docker builds
 
 on:
   push:
@@ -8,7 +8,7 @@ on:
     types: [opened, reopened, ready_for_review, synchronize]  # added `ready_for_review` since draft is skipped
     paths:
       - ".actions/*"
-      - ".github/workflows/ci-dockers.yml"
+      - ".github/workflows/docker-build.yml"
       - "dockers/**"
       - "requirements/*.txt"
       - "requirements/pytorch/**"
@@ -28,7 +28,7 @@ concurrency:
 
 env:
   PUSH_NIGHTLY: ${{ github.event_name == 'schedule' }}
-  PUSH_RELEASE: ${{ github.event_name == 'release' }}
+  PUSH_RELEASE: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'release' }}
 
 jobs:
   build-pl:
@@ -52,15 +52,47 @@ jobs:
         with:
           submodules: true
       - uses: docker/setup-buildx-action@v2
+      - uses: docker/login-action@v2
+        if: env.PUSH_RELEASE == 'true'
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Get release version
+        if: github.event_name == 'release'
+        # For workflows triggered by release, `GITHUB_REF` is the release tag created.
+        run: echo "RELEASE_VERSION=$(echo ${GITHUB_REF##*/})" >> $GITHUB_ENV
+      - name: Set tags
+        run: |
+          import os
+
+          repo = "pytorchlightning/pytorch_lightning"
+          ver = os.getenv('RELEASE_VERSION')
+          py_ver = "${{ matrix.python_version }}"
+          pt_ver = "${{ matrix.pytorch_version }}"
+          cuda_ver = "${{ matrix.cuda_version }}"
+          tags = [f"latest-py{py_ver}-torch{pt_ver}-cuda{cuda_ver}"]
+          if ver:
+            tags += [f"{ver}-py{py_ver}-torch{pt_ver}-cuda{cuda_ver}"]
+          if py_ver == '3.10' and pt_ver == '2.0' and cuda_ver == '12.0.1':
+            tags += ["latest"]
+
+          tags = [f"{repo}:{tag}" for tag in tags]
+          with open(os.getenv('GITHUB_ENV'), "a") as gh_env:
+              gh_env.write("DOCKER_TAGS=" + ",".join(tags))
+        shell: python
+
       - uses: docker/build-push-action@v4
         with:
           build-args: |
             PYTHON_VERSION=${{ matrix.python_version }}
             PYTORCH_VERSION=${{ matrix.pytorch_version }}
             CUDA_VERSION=${{ matrix.cuda_version }}
+            LIGHTNING_VERSION=${{ env.RELEASE_VERSION }}
           file: dockers/release/Dockerfile
           push: ${{ env.PUSH_RELEASE }}  # pushed in release-docker.yml only when PL is released
-        timeout-minutes: 50
+          tags: ${{ env.DOCKER_TAGS }}
+        timeout-minutes: 35
 
   build-cuda:
     if: github.event.pull_request.draft == false
@@ -92,7 +124,7 @@ jobs:
             CUDA_VERSION=${{ matrix.cuda_version }}
           file: dockers/base-cuda/Dockerfile
           push: ${{ env.PUSH_NIGHTLY }}
-          tags: pytorchlightning/pytorch_lightning:base-cuda-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }}-cuda${{ matrix.cuda_version }}
+          tags: "pytorchlightning/pytorch_lightning:base-cuda-py${{ matrix.python_version }}-torch${{ matrix.pytorch_version }}-cuda${{ matrix.cuda_version }}"
         timeout-minutes: 95
       - uses: ravsamhq/notify-slack-action@v2
         if: failure() && env.PUSH_NIGHTLY == 'true'

.github/workflows/docs-build.yml

@@ -1,4 +1,4 @@
-name: Build Docs
+name: Docs builds
 # https://github.com/marketplace/actions/sphinx-build
 
 on: