Add a github workflow

.github/workflows/python-app.yml

@@ -0,0 +1,58 @@
+name: Python application
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+    - name: Install dependencies
+      run: |
+        sudo python -m pip install --upgrade pip
+        sudo pip install flake8
+        if [ -f requirements.txt ]; then sudo pip install -r requirements.txt; fi
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Start server
+      run: |
+        sudo python main.py &
+
+    - name: Wait for server to be up
+      run: |
+        for i in {1..30}; do
+          if curl -s http://localhost:8080 > /dev/null; then
+            echo "Server is up!"
+            break
+          fi
+          echo "Waiting for server to be up..."
+          sleep 2
+        done
+
+    - name: Send test request
+      run: |
+        OUT=$(cat example_image.json | curl -X POST http://localhost:8080/classify -H "Content-Type: application/json" -d @-)
+        echo $OUT
+        if echo $OUT | grep '"success": true'; then
+          echo "passed"
+        else
+          exit 1
+        fi
+

main.py

@@ -25,7 +25,8 @@
 print("ResNet50 model loaded.")
 
 hostName = os.getenv("HOSTNAME") or "localhost"
-serverPort = int(os.getenv("PORT")) or 8080
+serverPort = os.getenv("PORT") or 8080
+serverPort = int(serverPort)
 imagesPath = os.getenv("IMAGES_PATH") or ""
 
 if(not imagesPath == "" and not os.path.exists("imagesPath")):
@@ -131,4 +132,4 @@ def error_json(server, code, msg):
         pass
 
     webServer.server_close()
-    print("Server stopped.")
+    print("Server stopped.")

requirements.txt

@@ -0,0 +1,3 @@
+load-dotenv==0.1.0
+pillow==10.3.0
+tensorflow==2.16.1