addign this for the syntax but this solution is too slow

.gitea/workflows/dockerfile_runner.yaml

@@ -2,12 +2,89 @@ name: Gitea Actions Demo
 run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
 on:
   push:
-  paths-ignore:
+  #paths-ignore:
-    - 'requirements.txt'
+  #  - 'requirements.txt'
   issue_comment:
     types: [created]
 
 jobs:
+  # Job to check for file changes and set an output
+  changes:
+    runs-on: ubuntu-latest
+    outputs:
+      requirements_changed: ${{ steps.filter.outputs.requirements }}
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dorny/paths-filter@v3
+        id: filter
+        with:
+          filters: |
+            requirements:
+              - 'requirements.txt'
+
+  Build-dockerfile:
+    runs-on: ubuntu-latest
+    needs: changes
+    if: ${{ needs.changes.outputs.requirements_changed == 'true' }}
+    steps:
+      - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
+      - name: List files in the repository
+        run: |
+          ls ${{ gitea.workspace }}
+
+      - name: Compute next version
+        id: versioning
+        run: |
+          latest="${{ vars.PYTHON_VERSION }}"
+          next_version=$(echo "$latest" | awk -F. -v OFS=. '{$NF += 1 ; print}')
+          echo "next_version=$next_version" >> $GITHUB_ENV
+          echo "Variables used :"
+          echo "------------------------------------------------"
+          echo "Next version: $next_version"
+
+      - uses: actions/cache@v3
+        with:
+          path: /root/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+
+      - name: inject cache into docker
+        uses: reproducible-containers/buildkit-cache-dance@v3.1.0
+        with:
+          cache-source: /root/.cache/pip
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to gitea
+        uses: docker/login-action@v3
+        with:
+          registry: gitea.tryton.geeraert.eu
+          username: ${{ secrets.USERNAME_GITEA }}
+          password: ${{ secrets.PASSWORD_GITEA }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: "{{defaultContext}}:.gitea/python_build"
+          push: true
+          tags: |
+            gitea.tryton.geeraert.eu/pi-ux-ce/modified-python:latest
+            gitea.tryton.geeraert.eu/pi-ux-ce/modified-python:${{ env.next_version }}
+          cache-from: type=registry,ref=gitea.tryton.geeraert.eu/pi-ux-ce/modified-python:buildcache
+          cache-to: type=registry,ref=gitea.tryton.geeraert.eu/pi-ux-ce/modified-python:buildcache,mode=max
+
+      - name: update version in the variable
+        run: |
+          curl  -X PUT -H "Content-Type: application/json" \
+          --user ${{ secrets.USERNAME_GITEA }}:${{ secrets.PASSWORD_GITEA }} \
+          https://gitea.tryton.geeraert.eu/api/v1/repos/pi-ux-ce/${{ github.event.repository.name }}/actions/variables/PYTHON_VERSION \
+          -d "{\"Value\":\"$next_version\"}"
   Explore-Gitea-Actions:
     runs-on: ubuntu-latest
     steps:

.gitea/workflows/python_runner.yaml

@@ -1,69 +0,0 @@
-name: Gitea Actions Demo
-run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
-on:
-  push:
-    paths:
-      - 'requirements.txt'
-
-jobs:
-  Explore-Gitea-Actions:
-    runs-on: ubuntu-latest
-    steps:
-      - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
-      - name: Check out repository code
-        uses: actions/checkout@v4
-      - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
-      - name: List files in the repository
-        run: |
-          ls ${{ gitea.workspace }}
-
-      - name: Compute next version
-        id: versioning
-        run: |
-          latest="${{ vars.PYTHON_VERSION }}"
-          next_version=$(echo "$latest" | awk -F. -v OFS=. '{$NF += 1 ; print}')
-          echo "next_version=$next_version" >> $GITHUB_ENV
-          echo "Variables used :"
-          echo "------------------------------------------------"
-          echo "Next version: $next_version"
-
-      - uses: actions/cache@v3
-        with:
-          path: /root/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-
-
-      - name: inject cache into docker
-        uses: reproducible-containers/buildkit-cache-dance@v3.1.0
-        with:
-           cache-source: /root/.cache/pip
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Login to gitea
-        uses: docker/login-action@v3
-        with:
-          registry: gitea.tryton.geeraert.eu
-          username: ${{ secrets.USERNAME_GITEA }}
-          password: ${{ secrets.PASSWORD_GITEA }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: "{{defaultContext}}:.gitea/python_build"
-          push: true
-          tags: |
-             gitea.tryton.geeraert.eu/pi-ux-ce/modified-python:latest
-             gitea.tryton.geeraert.eu/pi-ux-ce/modified-python:${{ env.next_version }}
-          cache-from: type=registry,ref=gitea.tryton.geeraert.eu/pi-ux-ce/modified-python:buildcache
-          cache-to: type=registry,ref=gitea.tryton.geeraert.eu/pi-ux-ce/modified-python:buildcache,mode=max
-          
-      - name: update version in the variable
-        run: |
-          curl  -X PUT -H "Content-Type: application/json" \
-          --user ${{ secrets.USERNAME_GITEA }}:${{ secrets.PASSWORD_GITEA }} \
-          https://gitea.tryton.geeraert.eu/api/v1/repos/pi-ux-ce/${{ github.event.repository.name }}/actions/variables/PYTHON_VERSION \
-          -d "{\"Value\":\"$next_version\"}"