Fix GitHub Actions workflow and CI dependencies

Author: gbadedata

.github/workflows/docker.yml

@@ -50,11 +50,18 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v4
 
-      - name: Train model artifact
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install dependencies for model build
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          python model/train.py
+
+      - name: Train model artifact
+        run: python model/train.py
 
       - name: Log in to GHCR
         uses: docker/login-action@v3

requirements.txt

@@ -7,4 +7,5 @@ joblib==1.5.2
 numpy==2.3.3
 prometheus-fastapi-instrumentator==7.1.0
 python-json-logger==3.3.0
-locust
+locust
+httpx==0.28.1