By mamedov
How components inside Digital Ocean Apps platform should reach each other via network? For example, I have 2 components, one is worker, another one is plain nginx with proxy_pass configuration to worker. I am referring to service names while using docker compose. What should I use here?
Docker compose file:
version: "3"
services:
tileserver:
build: .
frontend:
build: frontend
ports:
- "8080:80"
depends_on:
- tileserver
Inside frontend there is nginx.conf file with the following:
...
proxy_pass http://tileserver;
...
Here is how it looks for my digital ocean apps platform spec:
name: maps
region: ams
services:
- dockerfile_path: frontend/Dockerfile
source_dir: frontend/
github:
branch: m/mbtiles
deploy_on_push: true
repo: digitaz/maps
http_port: 80
instance_count: 1
instance_size_slug: basic-xxs
name: frontend
routes:
- path: /
workers:
- dockerfile_path: Dockerfile
github:
branch: m/mbtiles
deploy_on_push: true
repo: digitaz/maps
instance_count: 1
instance_size_slug: basic-xxs
name: tileserver
How containers tileserver and frontend should reach each other? Specifically, how frontend should reach tileserver?
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Hello, you can create “internal services” by using internal_ports property in the app spec and without having an http_port property.
name: sample-golang
services:
- name: intsvc1
github:
repo: digitalocean/sample-golang
branch: master
internal_ports:
- 3000
The internal service should be addressable with just the component name, example http://intsvc1:3000. Here’s a quick and simple example repo with code and app spec that demonstrates the concepts.
So in you setup, the tileserver component should be a service that exposes port using internal_ports property, and the nginx config can proxy pass to that address as appropriate.
Hopefully this helps!
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