docker-compose.yml

# An demo version of WordPress for easy scaling
wordpress:
  image: autopilotpattern/wordpress:latest
  restart: always
  mem_limit: 1g
  env_file: _env
  environment:
    - CONSUL_AGENT=1
  ports:
    - 80
    - 9090
  labels:
    # Setting the CNS service name
    - triton.cns.services=wordpress
    # Soft anti-affinity to avoid other WordPress instances
    - com.docker.swarm.affinities=["container!=~*wordpress*"]

# Consul is the service catalog that helps discovery between the components
# Change "-bootstrap" to "-bootstrap-expect 3", then scale to 3 or more to
# turn this into an HA Consul raft.
consul:
  image: autopilotpattern/consul:latest
  command: >
    /usr/local/bin/containerpilot
    /bin/consul agent -server
    -bootstrap
    -config-dir=/etc/consul
    -ui-dir /ui
  restart: always
  mem_limit: 128m
  env_file: _env
  ports:
    - 8500
  dns:
    - 127.0.0.1
  labels:
    - triton.cns.services=consul
    - com.docker.swarm.affinities=["container!=~*"]

# NFS is used to store user uploads
nfs:
  image: autopilotpattern/nfsserver:latest
  restart: always
  mem_limit: 256m
  env_file: _env
  environment:
    - CONSUL_AGENT=1
  expose:
    - 111
    - 1892
    - 2049
  labels:
    - triton.cns.services=nfs
    # Soft anti-affinity to avoid all other containers
    - com.docker.swarm.affinities=["container!=~*"]

# The MySQL database will automatically cluster and scale
# see https://www.joyent.com/blog/dbaas-simplicity-no-lock-in
mysql:
  image: autopilotpattern/mysql:latest
  restart: always
  mem_limit: 4g
  env_file: _env
  environment:
    - CONSUL_AGENT=1
  expose:
    - 3306
  labels:
    - triton.cns.services=mysql
    - com.docker.swarm.affinities=["container!=~*mysql*"]

# Memcached is a high performance object cache
memcached:
  image: autopilotpattern/memcached:latest
  restart: always
  mem_limit: 512m
  env_file: _env
  environment:
    - CONSUL_AGENT=1
  ports:
    - 11211
  labels:
    - triton.cns.services=memcached
    - com.docker.swarm.affinities=["container!=~*memcached*"]

# Nginx as a load-balancing tier and reverse proxy
nginx:
  image: autopilotpattern/wordpress-nginx:latest
  restart: always
  mem_limit: 512m
  ports:
    - 80
    - 443
    - 9090
  env_file: _env
  environment:
    - CONSUL_AGENT=1
  labels:
    - triton.cns.services=nginx
    - com.docker.swarm.affinities=["container!=~*nginx*"]

# Prometheus is an open source performance monitoring tool
# it is included here for demo purposes and is not required
prometheus:
  image: autopilotpattern/prometheus:latest
  restart: always
  mem_limit: 1g
  env_file: _env
  ports:
    - 9090
  labels:
    - triton.cns.services=prometheus
    - com.docker.swarm.affinities=["container!=~*prometheus*"]