jwilder/nginx-proxy using Compose + Swarm + Machine

.gitignore

/*.env

README.md

Testing Compose + Swarm + Machine to start up jwilder/nginx-proxy fronting jwilder/whoami.

create-cluster

#!/bin/bash

set -e

if [ -z "$DIGITALOCEAN_ACCESS_TOKEN" ]; then
	echo >&2 "ERROR: You must export DIGITALOCEAN_ACCESS_TOKEN"
	exit 1
fi

docker pull swarm > /dev/null

TOKEN="$(docker run swarm create)"
echo >&2 "Docker Swarm token: $TOKEN"

echo >&2 "Creating Docker Swarm cluster"
(
	set -x
	docker-machine create -d digitalocean --swarm --swarm-master --swarm-discovery "token://$TOKEN" swarm-master
	docker-machine create -d digitalocean --swarm --swarm-discovery "token://$TOKEN" --engine-label type=app swarm-app-01
	docker-machine create -d digitalocean --swarm --swarm-discovery "token://$TOKEN" --engine-label type=app swarm-app-02
	docker-machine create -d digitalocean --swarm --swarm-discovery "token://$TOKEN" --engine-label type=app swarm-app-03
	docker-machine create -d digitalocean --swarm --swarm-discovery "token://$TOKEN" --engine-label type=proxy swarm-proxy
)

docker-compose.yml

app:
  image: jwilder/whoami
  ports:
    - "8000:8000"
  env_file:
    - app.env

proxy:
  image: jwilder/nginx-proxy
  ports:
    - "80:80"
  volumes:
    - "/tmp/docker-certs:/tmp/docker-certs"
  env_file:
    - proxy.env

launch-containers

#!/bin/bash

set -e

echo >&2 "Generating app.env:"
cat <<EOF | tee app.env >&2
VIRTUAL_HOST=$(docker-machine ip swarm-proxy)
constraint:type==app
EOF


echo >&2 "Generating proxy:"
cat <<EOF | tee proxy.env >&2
DOCKER_TLS_VERIFY=1
DOCKER_HOST=tcp://$(docker-machine ip swarm-master):3376
DOCKER_CERT_PATH=/tmp/docker-certs
constraint:type==proxy
EOF

eval "$(docker-machine env --swarm swarm-master)"

echo >&2 "Copying TLS config to swarm-proxy"
docker-machine scp -r "$DOCKER_CERT_PATH" swarm-proxy:/tmp/docker-certs

echo >&2 "Starting services via Docker Compose"
docker-compose up -d
docker-compose scale proxy=1 app=3

echo >&2 "Checking running containers"
docker ps

echo >&2 "Visit http://$(docker-machine ip swarm-proxy) to test"

this was really helpful thanks!

@bhurlow 👍