Fix query-node dev setup issue

query-node/start.sh

@@ -8,9 +8,6 @@ set -a
 . ../.env
 set +a
 
-# Override DB_HOST
-export DB_HOST=localhost
-
 # Start the joystream-node first to allow fetching Olympia metadata during build (typegen)
 docker-compose up -d joystream-node
 
@@ -20,6 +17,9 @@ docker-compose up -d joystream-node
 # Bring up db
 docker-compose up -d db
 
+# Override DB_HOST for db setup
+export DB_HOST=localhost
+
 # Make sure we use dev config for db migrations (prevents "Cannot create database..." and some other errors)
 yarn workspace query-node config:dev
 
@@ -27,7 +27,10 @@ yarn workspace query-node config:dev
 yarn workspace query-node-root db:prepare
 yarn workspace query-node-root db:migrate
 
-docker-compose up -d graphql-server-mnt
+# Set DB_HOST back to docker-service one
+export DB_HOST=db
 
-# Starting up processor will bring up all services it depends on
+# Start processor and graphql server
 docker-compose up -d processor-mnt
+docker-compose up -d graphql-server-mnt
+