set shm size to 4gb

Author: Hitenjain14

docker.local/docker-compose.yml

@@ -11,7 +11,7 @@ services:
       - "543${BLOBBER}:5432"
     labels:
       zchain: "postgres"
-    shm_size: 8gb   
+    shm_size: 4gb   
   validator:
     image: validator
     environment:

docker.local/p0docker-compose.yml

@@ -19,7 +19,7 @@ services:
       testnet0:
         ipv4_address: 198.18.8.${BLOBBER}
     restart: on-failure:5
-    shm_size: 8gb 
+    shm_size: 4gb 
 
   validator:
     container_name: validator-${BLOBBER}