Docker Swarm : Stack Traefik

Thu, 18 Aug 2022 11:28:10 +0200

Export variables

export EMAIL=mon@email.com
export DOMAIN=traefik.example.com
export USERNAME=admin
export PASSWORD=MotDePasseTresSecure
export HASHED_PASSWORD=$(openssl passwd -apr1 "$PASSWORD")

Fichier stack.yml

version: '3.3'

services:

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

volumes:
 # Create a volume to store the certificates, there is a constraint to make sure
 # Traefik is always deployed to the same Docker node with the same volume containing
 # the HTTPS certificates
 traefik-public-certificates:

networks:
 # Use the previously created public network "traefik-public", shared with other
 # services that need to be publicly available via this Traefik
 traefik-public:
 external: true

Déploiement

docker stack deploy -c stack.yml traefik

Traefik on slash-root.fr

Docker Swarm : Stack Traefik

Export variables

Fichier stack.yml

Déploiement