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README

Create a new single-node environment for this Rails API application using docker machine.

Build and run API app on the new environment using docker & docker compose

Episode video link

Episode Video Link

Tested on

  • macOS - 10.12
  • Docker - 1.13.0
  • Docker compose - 1.10.0

Run this application on local

git clone https://github.com/devteds/e5-deploy-with-docker-rails-api-single-node.git
cd e5-deploy-with-docker-rails-api-single-node
# edit docker-compose.yml to set the mysql & rails ports to be mapped on host
docker-compose build
bin/d_rails db:migrate
bin/d_rails db:seed
bin/d_rails s
# Use REST client or curl to browse the APIs
curl http://localhost:3002/posts

Docker image

# canister.io is one option
docker -t blog-api -t <REGISTRY/IMAGE-URI-PATH>
docker login --username=<REGISTRY USER> <REGISTRY>
docker push <REGISTRY/IMAGE-URI-PATH>

Deploy to single-node env

# edit docker-compose-staging.yml for the image url
docker-compose -f docker-compose-staging.yml up

sudo mkdir -p /docker-machines/blog-staging
sudo chown -R $USER /docker-machines/blog-staging
export MACHINE_STORAGE_PATH=/docker-machines/blog-staging

# generate API access token on digitalocean.com
docker-machine create -d digitalocean --digitalocean-access-token=<DO ACCESS TOKEN> blog-staging
docker-machine ls
docker-machine ip blog-staging
eval $(docker-machine env blog-staging)
docker-compose -f docker-compose-staging.yml run --rm app rails db:migrate
docker-compose -f docker-compose-staging.yml run --rm app rails db:seed
docker-compose -f docker-compose-staging.yml up -d

# status, stop/start, logs
docker-compose -f docker-compose-staging.yml ps
docker-compose -f docker-compose-staging.yml stop
docker-compose -f docker-compose-staging.yml start
docker-compose -f docker-compose-staging.yml logs

docker-compose -f docker-compose-staging.yml stop app
docker-compose -f docker-compose-staging.yml start app

docker-compose -f docker-compose-staging.yml logs app
docker-compose -f docker-compose-staging.yml logs db

curl http://$(docker-machine ip blog-staging):3000/posts