Example Docker Setup

This is an example setup using:

• docker 1.10.0
• docker-compose 1.6.0
• docker-machine 0.6.0

Compose was used to setup 4 services: postgres, redis, worker and web. They are connected with a common network named backend. The containers worker and web are typical app services connected to storage services postgres and redis. The storage services use a common volume named data.

Endpoints

GET :8000/

Responds with Hello, world.

POST :8000/items

Enqueues a record_item job. Accepts a json object with string keys/values.

GET :8000/items

Retrieves recorded items

Instructions

1. Create a docker machine

2. Use docker machine

eval $(docker-machine env your-machine-name)

3. Create a .env file:

POSTGRES_PASSWORD=password
POSTGRES_DB=app
REDIS_URL=redis://redis:6379/0

4. Build app image

docker build --rm -t app .

5. Run postgres service

docker-compose up -d postgres

6. Setup postgres

docker exec -ti dockersetup_postgres_1 bash
su postgres
echo "create extension hstore" | psql app
echo "create table items (item hstore)" | psql app

7. Run remaining services

docker-compose up -d