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.gitea/workflows/deploy.yml

@@ -8,8 +8,8 @@ on:
 jobs:
   # One file, two lifecycles. The app pair (frontend + backend) moves with
   # most commits; the lean image carries Mathlib and is heavy to build and
-  # push, so its job runs only when lean/** actually changed. This step reads
+  # push, so its build runs only when lean/** actually changed. This step
-  # the pushed diff and opens the gates for the jobs below.
+  # reads the pushed diff and opens the gates for the deploy job below.
   changes:
     runs-on: docker
 
@@ -48,11 +48,15 @@ jobs:
           echo "lean=$lean" >> "$GITHUB_OUTPUT"
           echo "app=$app lean=$lean"
 
-  # The wiki app itself — its deploy step never touches the lean service.
+  # Both images deploy from here so the checkout, SSH setup and registry
+  # login happen once. The two builds stay gated on the pushed diff: a
+  # lean-only push skips every app step, and an app-only push skips lean —
+  # rebuilding Mathlib on a wiki commit would be pointless and slow. A lean
+  # change does not rebuild the app pair, and vice versa.
   deploy:
     runs-on: docker
     needs: changes
-    if: needs.changes.outputs.app == 'yes'
+    if: needs.changes.outputs.app == 'yes' || needs.changes.outputs.lean == 'yes'
 
     steps:
       - name: Checkout
@@ -76,24 +80,27 @@ jobs:
           echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login git.aranroig.com -u "${{ secrets.REGISTRY_USER }}" --password-stdin
 
       - name: Build frontend
+        if: needs.changes.outputs.app == 'yes'
         run: |
           docker build -t git.aranroig.com/${{ secrets.REGISTRY_USER }}/mathew-frontend:latest ./frontend
           docker push git.aranroig.com/${{ secrets.REGISTRY_USER }}/mathew-frontend:latest
 
       - name: Build backend
+        if: needs.changes.outputs.app == 'yes'
         run: |
           docker build -t git.aranroig.com/${{ secrets.REGISTRY_USER }}/mathew-backend:latest ./backend
           docker push git.aranroig.com/${{ secrets.REGISTRY_USER }}/mathew-backend:latest
 
       - name: Copy files
+        if: needs.changes.outputs.app == 'yes'
         run: |
           scp docker-compose.yml deploy@${{ secrets.DEPLOY_HOST }}:/var/www/app/
           scp nginx.conf deploy@${{ secrets.DEPLOY_HOST }}:/var/www/app/nginx.conf
 
-      # Scoped to the services this job owns: never pulls/builds lean from
+      # Scoped to the services this step owns: never pulls/builds lean from
-      # here (that would need the lean tag or lean/ sources on the host).
+      # here — the lean steps below do that, only when lean/** changed.
-      # deploy-lean.yml owns the lean service's pull and up.
+      - name: Deploy app
-      - name: Deploy
+        if: needs.changes.outputs.app == 'yes'
         run: |
           ssh deploy@${{ secrets.DEPLOY_HOST }} << 'EOF'
             echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login git.aranroig.com -u "${{ secrets.REGISTRY_USER }}" --password-stdin
@@ -105,38 +112,14 @@ jobs:
       # The Lean editor (lean4web): multi-stage, heavy by nature (it fetches
       # Mathlib); expect a long build and a multi-GB push. Pin upstream with:
       #   docker build --build-arg LEAN4WEB_REF=v0.2.2 ...
-  deploy-lean:
-    runs-on: docker
-    needs: changes
-    if: needs.changes.outputs.lean == 'yes'
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install SSH client
-        run: |
-          apt-get update -y && apt-get install -y openssh-client
-
-      - name: Setup SSH inside container
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.DEPLOY_KEY }}" > ~/.ssh/id_ed25519
-          chmod 600 ~/.ssh/id_ed25519
-
-          # Add the container host to known_hosts
-          ssh-keyscan -H ${{ secrets.DEPLOY_HOST }} >> ~/.ssh/known_hosts
-
-      - name: Log in to registry
-        run: |
-          echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login git.aranroig.com -u "${{ secrets.REGISTRY_USER }}" --password-stdin
-
       - name: Build lean editor server
+        if: needs.changes.outputs.lean == 'yes'
         run: |
           docker build -t git.aranroig.com/${{ secrets.REGISTRY_USER }}/mathew-lean:latest ./lean
           docker push git.aranroig.com/${{ secrets.REGISTRY_USER }}/mathew-lean:latest
 
-      - name: Deploy
+      - name: Deploy lean
+        if: needs.changes.outputs.lean == 'yes'
         run: |
           ssh deploy@${{ secrets.DEPLOY_HOST }} << 'EOF'
             echo "${{ secrets.REGISTRY_PASSWORD }}" | docker login git.aranroig.com -u "${{ secrets.REGISTRY_USER }}" --password-stdin

AGENTS.md

@@ -69,7 +69,7 @@ its theme (live, same page), and the Goals/Messages pane.
 `--build-arg LEAN4WEB_REF=<tag|branch>` pins it) and runs its websocket server on port 8080;
 the compose `lean` service runs it (image `git.aranroig.com/syndria98/mathew-lean:latest` —
 CI pushes it, and deploys lean, only when `lean/**` changes: `.gitea/workflows/deploy.yml`
-gates its `deploy-lean` job on the pushed diff; the app deploy just pulls the tag). Upstream
+gates its lean build steps on the pushed diff, in the same job as the app deploy). Upstream
 asks for a dedicated machine, so the build is **multi-stage**: dev tooling stays in the
 builder, and the pushed image is a slim runtime of node + elan toolchain + built client +
 Mathlib's compiled cache (~11GB — the cache is the bulk; upstream's second demo project

lean/README.md

@@ -161,10 +161,11 @@ and its cache re-downloads, so treat this like the heavy build it is (run it
 on the machine that hosts the editor; pin `LEAN4WEB_REF` for a build that
 stands still).
 
-CI follows the same split inside one workflow: `.gitea/workflows/deploy.yml` gates a
+CI follows the same split inside one workflow and one deploy job:
-`deploy-lean` job on the pushed diff — it rebuilds, pushes and redeploys the lean image
+`.gitea/workflows/deploy.yml` gates the lean build steps on the pushed diff — it rebuilds,
-**only when `lean/**` changed** — while the app jobs run on every other change and just
+pushes and redeploys the lean image **only when `lean/**` changed** — while an app change
-pull whatever `mathew-lean:latest` the registry holds. (In volume mode the pushed image
+skips them and just pulls whatever `mathew-lean:latest` the registry holds, and a lean-only
+change skips the app builds. (In volume mode the pushed image
 is ~4GB and a lean rebuild doesn't fetch Mathlib at all.)
 
 ## Adding Lean projects