Configure docker + database

Author: maxcnunes

.dockerignore

@@ -0,0 +1,14 @@
+# .dockerignore
+.git
+Dockerfile
+
+# Mix artifacts
+_build
+deps
+*.ez
+
+# Generate on crash by the VM
+erl_crash.dump
+
+# Static artifacts
+node_modules

Dockerfile

@@ -0,0 +1,19 @@
+FROM voidlock/elixir:1.1
+
+# install psql
+RUN apt-get update && apt-get install -y postgresql-client
+
+# install mix and rebar
+RUN mix local.hex --force && \
+    mix local.rebar --force
+
+# configure work directory
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+
+# install dependencies
+COPY mix.* /usr/src/app/
+COPY config /usr/src/app/
+RUN mix do deps.get, deps.compile
+
+CMD ["mix", "phoenix.server"]

README.md

@@ -17,3 +17,18 @@ Ready to run in production? Please [check our deployment guides](http://www.phoe
   * Docs: http://hexdocs.pm/phoenix
   * Mailing list: http://groups.google.com/group/phoenix-talk
   * Source: https://github.com/phoenixframework/phoenix
+
+
+## Docker
+
+### Provisioning the Database
+
+```shell
+docker-compose run --rm local sh -c "mix ecto.create"
+```
+
+### Running Migrations
+
+```shell
+docker-compose run --rm local sh -c "mix ecto.migrate"
+```

config/dev.exs

@@ -35,8 +35,5 @@ config :phoenix, :stacktrace_depth, 20
 # Configure your database
 config :rest_api, RestApi.Repo,
   adapter: Ecto.Adapters.Postgres,
-  username: "postgres",
-  password: "postgres",
-  database: "rest_api_dev",
-  hostname: "localhost",
+  url: {:system, "DATABASE_URL"},
   pool_size: 10

docker-compose.yml

@@ -1,3 +1,17 @@
+local:
+  build: .
+  ports:
+    - 4000
+  environment:
+    VIRTUAL_HOST: api.local.dockito.org
+    VIRTUAL_PORT: 4000
+    DATABASE_URL: ecto://user:password@db/rest_api_dev
+  volumes:
+      - ./:/usr/src/app
+  links:
+    - postgres:db
+
+
 postgres:
   image: postgres:9.4.5
   ports: