Merge pull request 'Add healthchecks and enable rolling updates for the nodejs service' (#9) from app-healthcheck into main

Reviewed-on: coop-cloud/peertube#9

compose.yml

@@ -59,6 +59,12 @@ services:
         target: /docker-entrypoint.sh
         mode: 0555
     command: npm start
+    healthcheck:
+      test: 'nodejs -e "http.get(''http://localhost:9000/api/v1/ping'', (res) => { console.log(''status: '', res.statusCode); if (res.statusCode == 200) { process.exit(0); } else { process.exit(1); } });"'
+      interval: 1m
+      timeout: 30s
+      retries: 3
+      start_period: 1m
     entrypoint: /docker-entrypoint.sh
     networks:
       - internal
@@ -77,6 +83,9 @@ services:
     networks:
       - internal
     deploy:
+      update_config:
+        failure_action: rollback
+        order: start-first
       labels: ['coop-cloud.${STACK_NAME}.db.version=10-alpine-131220fe']
   cache:
     image: redis:4-alpine