make worker urls more easily configurable

Author: nicktrn

hosting/docker/.env.example

@@ -52,17 +52,25 @@ API_ORIGIN=http://localhost:8030
 #   - 8GB machine: NODE_MAX_OLD_SPACE_SIZE=6400
 # NODE_MAX_OLD_SPACE_SIZE=8192
 
+# Worker
+# - These are the settings for the worker and will depend on your setup
+# - Any defaults are designed to work out of the box with the combined setup
+# Point this at the webapp in prod
+# TRIGGER_API_URL=http://webapp:3000
+# Point this at your OTel collector or the webapp in prod
+# OTEL_EXPORTER_OTLP_ENDPOINT=http://webapp:3000/otel
+
 # Docker Registry
 # - When testing locally, the default values should be fine
 # - When deploying to production, you will have to change these, especially the password and URL
-# - See the docs for more information: https://trigger.dev/docs/self-hosting/docker
+# - See the docs for more information: https://trigger.dev/docs/self-hosting/docker#registry-setup
 DOCKER_REGISTRY_URL=localhost:5000
 DOCKER_REGISTRY_USERNAME=registry-user
 DOCKER_REGISTRY_PASSWORD=very-secure-indeed
 
 # Object store
 # - You need to log into the Minio dashboard and create a bucket called "packets" 
-# - See the docs for more information: https://trigger.dev/docs/self-hosting/docker
+# - See the docs for more information: https://trigger.dev/docs/self-hosting/docker#object-storage
 OBJECT_STORE_ACCESS_KEY_ID=admin
 OBJECT_STORE_SECRET_ACCESS_KEY=very-safe-password
 # You will have to uncomment and configure this for production

hosting/docker/worker/docker-compose.yml

@@ -30,10 +30,8 @@ services:
       # Use the bootstrap token created by the webapp
       TRIGGER_WORKER_TOKEN: file:///home/node/shared/worker_token
       MANAGED_WORKER_SECRET: ${MANAGED_WORKER_SECRET}
-      # Point this at the webapp in prod
-      TRIGGER_API_URL: http://webapp:3000
-      # Point this at the OTel collector or the webapp in prod
-      OTEL_EXPORTER_OTLP_ENDPOINT: http://webapp:3000/otel
+      TRIGGER_API_URL: ${TRIGGER_API_URL:-http://webapp:3000}
+      OTEL_EXPORTER_OTLP_ENDPOINT: ${OTEL_EXPORTER_OTLP_ENDPOINT:-http://webapp:3000/otel}
       TRIGGER_WORKLOAD_API_DOMAIN: supervisor
       TRIGGER_WORKLOAD_API_PORT_EXTERNAL: 8020
       # Optional settings