add supervisor

Author: BotellaA

Dockerfile

@@ -1,4 +1,14 @@
 FROM nginx:alpine
+
+RUN apk add python3 py3-pip supervisor
+RUN pip3 install google-cloud-run
+
 COPY nginx.conf /etc/nginx/nginx.conf
 
-EXPOSE 80
+COPY supervisord.conf /etc/supervisord.conf
+RUN mkdir -p /var/log/supervisor
+
+COPY cleanup_watcher.py /usr/local/bin/cleanup_watcher.py
+RUN chmod +x /usr/local/bin/cleanup_watcher.py
+
+CMD ["/usr/bin/supervisord", "-c", "/etc/supervisord.conf"]

cleanup_watcher.py

@@ -0,0 +1,36 @@
+import os
+import time
+import requests
+from google.cloud import run_v2
+
+PROJECT = os.getenv("GOOGLE_CLOUD_PROJECT")
+REGION = os.getenv("GOOGLE_CLOUD_REGION", "us-central1")
+SERVICE_NAME = os.getenv("K_SERVICE")
+
+HEARTBEAT_URL = "http://127.0.0.1:5000/health"
+
+
+def delete_service():
+    if not PROJECT or not SERVICE_NAME:
+        print("Cannot delete: missing env vars")
+        return
+    client = run_v2.ServicesClient()
+    name = f"projects/{PROJECT}/locations/{REGION}/services/{SERVICE_NAME}"
+    try:
+        print(f"Flask appears down → Deleting service {name}")
+        client.delete_service(name=name)
+    except Exception as e:
+        print(f"Delete failed: {e}")
+
+
+while True:
+    time.sleep(60)
+    delete_service()
+    break
+    # try:
+    #     r = requests.get(HEARTBEAT_URL, timeout=5)
+    #     if r.status_code != 200:
+    #         raise Exception("Bad status")
+    # except Exception:
+    #     delete_service()
+    #     break

supervisord.conf

@@ -0,0 +1,18 @@
+[supervisord]
+nodaemon=true
+logfile=/dev/stdout
+pidfile=/var/run/supervisord.pid
+
+[program:nginx]
+command=nginx -g 'daemon off;'
+autostart=true
+autorestart=true
+stdout_logfile=/dev/stdout
+stderr_logfile=/dev/stderr
+
+[program:cleanup-watcher]
+command=python3 /usr/local/bin/cleanup_watcher.py
+autostart=true
+autorestart=true
+stdout_logfile=/dev/stdout
+stderr_logfile=/dev/stderr