Add docker_image_ci.yml

.github/workflows/docker_image_ci.yml

@@ -0,0 +1,19 @@
+name: Docker image CI
+
+on:
+  push:
+    branches:
+      - 'main'
+      - 'feature/*'
+  pull_request:
+    branches:
+      - 'main'
+      - 'feature/*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build the Docker image
+        run: docker build . -f ./setup_files/Dockerfile

.github/workflows/style_and_error_checker.yml

@@ -7,9 +7,9 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ['3.9', '3.10', '3.11']
     steps:
-    - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with: