Fix various compose syntax issues

compose.yml

@@ -24,11 +24,6 @@ services:
     configs:
       - source: nginx_config
         target: /etc/nginx/nginx.conf
-    healthcheck:
-      test: curl -f http://app:9000/v1/api/ping || exit 1
-      interval: 5s
-      timeout: 3s
-      retries: 20
     deploy:
       restart_policy:
         condition: on-failure
@@ -37,8 +32,6 @@ services:
         order: start-first
       rollback_config:
         order: start-first
-      restart_policy:
-        max_attempts: 10
       labels:
         - "traefik.enable=true"
         - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=80"
@@ -92,13 +85,14 @@ services:
 
   db:
     image: postgres:10-alpine
+    entrypoint: "/docker-entrypoint.upgrade.sh"
     environment:
       - POSTGRES_USER=peertube
-      - POSTGRES_PASSWORD_FILE=/run/secrets/db_password
       - POSTGRES_DB=peertube
+      - POSTGRES_PASSWORD_FILE=/run/secrets/db_password
     configs:
       - source: db_entrypoint
-        target: /docker-entrypoint.sh
+        target: /docker-entrypoint.upgrade.sh
         mode: 0555
     secrets:
       - db_password