Add healthchecks to postgres and pgadmin

docker-compose.yml

@@ -34,6 +34,11 @@ services:
       <<: [*db-environment]
     volumes:
       - *db-location
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
   pgbackups:
     image: prodrigestivill/postgres-backup-local:13
     restart: always
@@ -55,3 +60,5 @@ services:
       <<: [*admin-environment]
     ports:
       - *pgadmin-port
+    healthcheck:
+      test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost/ || exit 1"]