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@alfredfrancis
Created March 25, 2020 16:25
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Service Discovery and Reverse Proxy for Docker-based Microservices using Traefik
version: '3'
services:
reverse-proxy:
# The official v2 Traefik docker image
image: traefik:v2.1
# Enables the web UI and tells Traefik to listen to docker
command:
- --api.insecure=true
- --api.dashboard=true # <== Enabling the dashboard to view services, middlewares, routers, etc...
- --api.debug=true # <== Enabling additional endpoints for debugging and profiling
- --log.level=DEBUG # <== Setting the level of the logs from traefik
- --providers.docker=true # <== Enabling docker as the provider for traefik
- --providers.docker.network=bots # <== Operate on the docker network named web
- --providers.docker.exposedbydefault=false # <== Don't expose every container to traefik, only expose enabled ones
ports:
# The HTTP port
- "80:80"
# The Web UI (enabled by --api.insecure=true)
- "8080:8080"
volumes:
# So that Traefik can listen to the Docker events
- /var/run/docker.sock:/var/run/docker.sock
networks:
- bots # <== Placing traefik on the network named bots, to access containers on this network
whoami:
# A container that exposes an API to show its IP address
image: containous/whoami
labels:
- "traefik.enable=true" # <== Enable traefik on itself to view dashboard and assign subdomain to view it
- "traefik.http.services.whoami.loadbalancer.server.port=80"
- "traefik.http.routers.whoami.rule=PathPrefix(`/bots/whoami`)"
networks:
- bots # <== Placing traefik on the network named bots, to access containers on this network
networks:
bots:
external: true
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