Microservices nodejs

docker-compose.yml

## from example: https://github.com/ibmjstart/Microservices/tree/split ##

productapi:
  build: ./services/productAPI
  ports:
    - "49760:8080"

cartapi:
  build: ./services/cartAPI
  ports:
    - "49761:8080"

reviewapi:
  build: ./services/reviewsAPI
  ports:
    - "49762:8080"

storeclient:
  build: .
  ports:
    - "49763:8080"

I'm not sure which service you would like to Load Balance. But you just need to expose port 5000 to the LB and add the LB section to your yml file. Hope this helps

storeclient:
  build: .
  ports:
    - "49763:8080"
  expose:
   - "5000"
lb:
  image: tutum/haproxy
  links:
   - storeclient
  ports:
   - "80:80"
  environment:
   - BACKEND_PORT=5000
   - BALANCE=roundrobin

Working!!

storeclient:
  build: .
  ports:
    - "80:8080"

productapi:
  build: ./services/productAPI
  ports:
    - "8080"

cartapi:
  build: ./services/cartAPI
  ports:
    - "8080"

reviewapi:
  build: ./services/reviewsAPI
  ports:
    - "8080"

######################################################
## PRODUCT PROXY
######################################################
product-proxy:
  image: tutum/haproxy
  links:
   - productapi
  ports:
   - "7070:80"
  environment:
   - BACKEND_PORT=5000
   - BALANCE=roundrobin


######################################################
## CART PROXY
######################################################
cart-proxy:
  image: tutum/haproxy
  links:
   - cartapi
  ports:
  - "7080:80"
  environment:
   - BACKEND_PORT=5000
   - BALANCE=roundrobin


######################################################
## REVIEW PROXY
######################################################
review-proxy:
  image: tutum/haproxy
  links:
   - reviewapi
  ports:
  - "7090:80"
  environment:
   - BACKEND_PORT=5000
   - BALANCE=roundrobin