enforce ruff

Author: Mole1424

.github/workflows/ci.yaml

@@ -1,26 +1,33 @@
-name: CI # the name of our workflow is 'CI'
+name: CI
 
-# run this workflow when we push to the 'main' branch
 on:	
   push:
     branches: [main]
+  pull_request:
+    branches: [main]
 
-# the list of jobs in this workflow
 jobs:
-
-# define a job
   build: 
-    name: Build and Push Container Image # the job's full name
-    runs-on: ubuntu-latest # the OS that this job runs on
-    
-  # we need write permissions to publish the package
+    name: Build and Push Container Image
+    runs-on: ubuntu-latest
+  
     permissions: 
       packages: write
-      
-  # the steps that this job consists of
+  
     steps:
-    - name: Checkout  # check out our repo
+    - name: Checkout
       uses: actions/checkout@v3
+
+    - name: Initialise python
+      uses: actions/set-up-python@v4
+      with:
+        python-version: '3.12'
+
+    - name: Install Ruff
+      run: pip install ruff
+
+    - name: Check formatting with Ruff
+      run: ruff check . --format=github
 
     - name: Log in to the container registry
       uses: docker/login-action@v2
@@ -29,17 +36,15 @@ jobs:
         username: ${{ github.repository_owner }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
-    # generate the tags that we'll use to name our image
     - name: Get Docker metadata
       id: meta
       uses: docker/metadata-action@v4
       with:
         images: ghcr.io/${{ github.repository }}
-        tags: | # tag with commit hash and with 'latest'
+        tags: |
           type=sha 
           type=raw,value=latest,enable={{is_default_branch}}
     
-    # build and push our image, using output from previous step
     - name: Build and push Docker image
       uses: docker/build-push-action@v3
       with: