chore(ml-service): add render.yaml, fix Dockerfile PORT, add google-generativeai dep

Author: vishnukothakapu

services/ml-service/Dockerfile

@@ -21,4 +21,4 @@ COPY models /app/models
 
 EXPOSE 8000
 
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-8000}

services/ml-service/render.yaml

@@ -0,0 +1,13 @@
+services:
+  - type: web
+    name: chitsetu-ml-service
+    env: docker
+    dockerfilePath: ./Dockerfile
+    dockerContext: .
+    branch: main
+    region: singapore
+    plan: starter
+    healthCheckPath: /
+    envVars:
+      - key: GEMINI_API_KEY
+        sync: false

services/ml-service/requirements.txt

@@ -6,4 +6,5 @@ joblib==1.3.2
 fastapi==0.110.0
 uvicorn==0.29.0
 pydantic==2.6.4
-python-dotenv==1.0.1
+python-dotenv==1.0.1
+google-generativeai==0.7.2