restart postgres if it fails

Production/docker-compose.btc-ltc.yml

@@ -119,6 +119,7 @@ services:
       - "bitcoin_datadir:/data"
 
   postgres:
+    restart: always
     image:  postgres:9.6.5
     volumes:
       - "postgres_datadir:/var/lib/postgresql/data"

Production/docker-compose.btc.yml

@@ -113,6 +113,7 @@ services:
       - "bitcoin_datadir:/data"
 
   postgres:
+    restart: always
     image:  postgres:9.6.5
     volumes:
       - "postgres_datadir:/var/lib/postgresql/data"

Production/docker-compose.yml

@@ -113,6 +113,7 @@ services:
       - "bitcoin_datadir:/data"
 
   postgres:
+    restart: always
     image:  postgres:9.6.5
     volumes:
       - "postgres_datadir:/var/lib/postgresql/data"