feat: add smarter caching #release

Author: gacerioni

.github/workflows/ci.yml

@@ -1,51 +1,87 @@
+# .github/workflows/ci.yml
 name: CI (Auto-tag + Build & Push Docker on SemVer)
 
 on:
   push:
-    branches: [ "main" ]
-    tags:     [ "v*.*.*", "*.*.*" ]
+    branches: [ "main" ]               # main pushes can create a tag (no image push)
+    tags:     [ "v*.*.*", "*.*.*" ]    # tag pushes build & push the SemVer image
   workflow_dispatch: {}
 
 env:
   REGISTRY: docker.io
   IMAGE_NAME: ${{ secrets.DOCKERHUB_USERNAME }}/gabs-redis-langcache
   DOCKERFILE: ./Dockerfile
 
+# We need write so the job can create a tag via GitHub API
 permissions:
-  contents: write      # <-- gives GITHUB_TOKEN push access to create tags
+  contents: write
 
 jobs:
-  # 1️⃣ main branch: bump + tag if '#release' present
+  # 1) MAIN PUSH: if any commit message includes #release, create next SemVer tag (no Docker build here)
   auto-release:
-    if: ${{ github.ref == 'refs/heads/main' && contains(join(github.event.commits.*.message, ' '), '#release') }}
+    if: ${{ github.ref == 'refs/heads/main' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout (full history for tags)
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Bump patch version and create tag
+      - name: Decide if this push requests a release
+        id: decide
+        run: |
+          MSGS="${{ join(github.event.commits.*.message, ' | ') }}"
+          echo "Commit messages: $MSGS"
+          if echo "$MSGS" | grep -q '#release'; then
+            echo "release=yes" >> $GITHUB_OUTPUT
+          else
+            echo "release=no" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Compute next patch tag (vX.Y.Z -> vX.Y.(Z+1))
+        id: bump
+        if: steps.decide.outputs.release == 'yes'
+        shell: bash
         run: |
           set -e
-          LAST=$(git tag -l 'v*' --sort=-v:refname | head -n1)
+          LAST=$(git tag -l 'v*.*.*' --sort=-v:refname | head -n1)
           [ -z "$LAST" ] && LAST="v0.0.0"
           VER=${LAST#v}
           IFS='.' read -r MA MI PA <<<"$VER"
           NEW_TAG="v$MA.$MI.$((PA+1))"
-          echo "Creating $NEW_TAG"
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-          git tag -a "$NEW_TAG" -m "release $NEW_TAG"
-          git push origin "$NEW_TAG"
+          echo "NEW_TAG=$NEW_TAG" >> $GITHUB_ENV
+          echo "new_tag=$NEW_TAG" >> $GITHUB_OUTPUT
+          echo "Last tag: $LAST  ->  Next tag: $NEW_TAG"
+
+      - name: Create git tag via GitHub API
+        if: steps.decide.outputs.release == 'yes'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const newTag = process.env.NEW_TAG; // from $GITHUB_ENV
+            core.info(`Creating tag ${newTag} at ${context.sha}`);
+            await github.rest.git.createRef({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              ref: `refs/tags/${newTag}`,
+              sha: context.sha
+            });
+        env:
+          NEW_TAG: ${{ env.NEW_TAG }}
 
-  # 2️⃣ tag events: build + push ONLY semver tags
+  # 2) TAG PUSH: ONLY build & push the SemVer image
   build-and-push:
     if: startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: docker/setup-qemu-action@v3
-      - uses: docker/setup-buildx-action@v3
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Buildx
+        uses: docker/setup-buildx-action@v3
 
       - name: Log in to Docker Hub
         uses: docker/login-action@v3
@@ -54,7 +90,7 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
-      - name: Extract Docker metadata
+      - name: Extract Docker metadata (SemVer only)
         id: meta
         uses: docker/metadata-action@v5
         with:

main_demo_released.py

@@ -595,7 +595,7 @@ def calc_savings(tokens_est: int, price_in: float, price_out: float, frac_in: fl
       <div class="app-header">
         <div class="brand">
           <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Redis_logo.svg/2560px-Redis_logo.svg.png" alt="Redis">
-          <div class="title">Redis LangCache — Demo PT-BR - SemVer: v2.0.8-harness - PR GitHub: gacerioni</div>
+          <div class="title">Redis LangCache — Demo PT-BR - SemVer: v2.0.9-harness - PR GitHub: gacerioni</div>
         </div>
         <div class="links">
           <a href="https://www.linkedin.com/in/gabrielcerioni/" target="_blank" rel="noopener">💼 LinkedIn do Gabs</a>