99 lines
4.9 KiB
YAML
99 lines
4.9 KiB
YAML
version: '3.3'
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services:
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traefik:
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# Use the latest v2.2.x Traefik image available
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image: traefik:v2.2
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ports:
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# Listen on port 80, default for HTTP, necessary to redirect to HTTPS
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- 80:80
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# Listen on port 443, default for HTTPS
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- 443:443
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deploy:
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placement:
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constraints:
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# Make the traefik service run only on the node with this label
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# as the node with it has the volume for the certificates
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- node.labels.traefik-public.traefik-public-certificates == true
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labels:
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# Enable Traefik for this service, to make it available in the public network
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- traefik.enable=true
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# Use the traefik-public network (declared below)
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- traefik.docker.network=traefik-public
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# Use the custom label "traefik.constraint-label=traefik-public"
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# This public Traefik will only use services with this label
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# That way you can add other internal Traefik instances per stack if needed
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- traefik.constraint-label=traefik-public
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# admin-auth middleware with HTTP Basic auth
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# Using the environment variables USERNAME and HASHED_PASSWORD
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- traefik.http.middlewares.admin-auth.basicauth.users=${USERNAME?Variable not set}:${HASHED_PASSWORD?Variable not set}
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# https-redirect middleware to redirect HTTP to HTTPS
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# It can be re-used by other stacks in other Docker Compose files
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- traefik.http.middlewares.https-redirect.redirectscheme.scheme=https
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- traefik.http.middlewares.https-redirect.redirectscheme.permanent=true
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# traefik-http set up only to use the middleware to redirect to https
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# Uses the environment variable DOMAIN
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- traefik.http.routers.traefik-public-http.rule=Host(`${DOMAIN?Variable not set}`)
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- traefik.http.routers.traefik-public-http.entrypoints=http
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- traefik.http.routers.traefik-public-http.middlewares=https-redirect
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# traefik-https the actual router using HTTPS
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# Uses the environment variable DOMAIN
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- traefik.http.routers.traefik-public-https.rule=Host(`${DOMAIN?Variable not set}`)
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- traefik.http.routers.traefik-public-https.entrypoints=https
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- traefik.http.routers.traefik-public-https.tls=true
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# Use the special Traefik service api@internal with the web UI/Dashboard
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- traefik.http.routers.traefik-public-https.service=api@internal
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# Use the "le" (Let's Encrypt) resolver created below
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- traefik.http.routers.traefik-public-https.tls.certresolver=le
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# Enable HTTP Basic auth, using the middleware created above
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- traefik.http.routers.traefik-public-https.middlewares=admin-auth
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# Define the port inside of the Docker service to use
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- traefik.http.services.traefik-public.loadbalancer.server.port=8080
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volumes:
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# Add Docker as a mounted volume, so that Traefik can read the labels of other services
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- /var/run/docker.sock:/var/run/docker.sock:ro
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# Mount the volume to store the certificates
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- traefik-public-certificates:/certificates
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command:
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# Enable Docker in Traefik, so that it reads labels from Docker services
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- --providers.docker
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# Add a constraint to only use services with the label "traefik.constraint-label=traefik-public"
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- --providers.docker.constraints=Label(`traefik.constraint-label`, `traefik-public`)
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# Do not expose all Docker services, only the ones explicitly exposed
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- --providers.docker.exposedbydefault=false
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# Enable Docker Swarm mode
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- --providers.docker.swarmmode
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# Create an entrypoint "http" listening on port 80
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- --entrypoints.http.address=:80
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# Create an entrypoint "https" listening on port 443
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- --entrypoints.https.address=:443
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# Create the certificate resolver "le" for Let's Encrypt, uses the environment variable EMAIL
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- --certificatesresolvers.le.acme.email=${EMAIL?Variable not set}
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# Store the Let's Encrypt certificates in the mounted volume
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- --certificatesresolvers.le.acme.storage=/certificates/acme.json
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# Use the TLS Challenge for Let's Encrypt
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- --certificatesresolvers.le.acme.tlschallenge=true
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# Enable the access log, with HTTP requests
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- --accesslog
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# Enable the Traefik log, for configurations and errors
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- --log
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# Enable the Dashboard and API
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- --api
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networks:
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# Use the public network created to be shared between Traefik and
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# any other service that needs to be publicly available with HTTPS
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- traefik-public
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volumes:
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# Create a volume to store the certificates, there is a constraint to make sure
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# Traefik is always deployed to the same Docker node with the same volume containing
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# the HTTPS certificates
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traefik-public-certificates:
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networks:
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# Use the previously created public network "traefik-public", shared with other
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# services that need to be publicly available via this Traefik
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traefik-public:
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external: true
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