Update main.yml

Author: chrisleekr

.github/workflows/main.yml

@@ -68,7 +68,7 @@ jobs:
  if: github.ref == 'refs/heads/master'
  run: |
  cd api
- docker build --no-cache . --target production-stage NODE_ENV=production -t $REGISTRY_DOMAIN/chrisleekr/nodejs-vuejs-mysql-boilerplate:api-latest
+ docker build --no-cache . --target production-stage --build-arg NODE_ENV=production -t $REGISTRY_DOMAIN/chrisleekr/nodejs-vuejs-mysql-boilerplate:api-latest
  docker push $REGISTRY_DOMAIN/chrisleekr/nodejs-vuejs-mysql-boilerplate:api-latest
  - name: Build frontend latest image
  if: github.ref == 'refs/heads/master'