jwilder/nginx-proxy using Compose + Swarm + Machine attempt 1

docker-create-swarm.sh

#!/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 --digitalocean-size "1gb" --swarm --swarm-master --swarm-discovery "token://$TOKEN" swarm-master
  docker-machine create -d digitalocean --digitalocean-size "1gb" --swarm --swarm-discovery "token://$TOKEN" --engine-label type=app swarm-01
  docker-machine create -d digitalocean --digitalocean-size "1gb" --swarm --swarm-discovery "token://$TOKEN" --engine-label type=app swarm-02
  docker-machine create -d digitalocean --digitalocean-size "1gb" --swarm --swarm-discovery "token://$TOKEN" --engine-label type=app swarm-03
  docker-machine create -d digitalocean --digitalocean-size "1gb" --swarm --swarm-discovery "token://$TOKEN" --engine-label type=proxy swarm-proxy
)

docker-launch-swarm.sh

#!/bin/bash

set -e

# get into directory that has the compose.yml file(s)
cd /opt/code

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

# TODO - SSL
#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

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

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

# TODO - SSL
#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 -f docker-production-swarm.yml up -d
#docker-compose scale proxy=1 app=3
docker-compose -f docker-production-swarm-proxy.yml up -d
docker-compose -f docker-production-swarm-proxy.yml scale proxy=1
docker-compose -f docker-production-swarm.yml scale app=3

echo >&2 "Checking running containers"
docker ps

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

docker-production-swarm-proxy.yml

proxy:
  image: jwilder/nginx-proxy
  ports:
    - "80:3000"
  # use external file so can generate it from variables
  env_file:
    - proxy.env
  # SSL - TODO
  #volumes:
  #  - "/tmp/docker-certs:/tmp/docker-certs"

docker-production-swarm.yml

app:
  # switch this to a pre-built image? just add to dropprice-code? Then could link to mongo again too!
  #build: .
  image: lukemadera/dropprice-code
  ports:
    - "3000:3000"
  # use external file so can generate it from variables
  env_file:
    - app.env