Add files for Codeship Pro

Dockerfile

@@ -0,0 +1,23 @@
+FROM --platform=linux/amd64 elixir:1.14.1
+
+# Create a directory for your application code and set it as the WORKDIR. All following commands will be run in this directory.
+RUN mkdir /app
+WORKDIR /app
+
+# Install Chrome
+RUN wget -q https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
+RUN apt-get install ./google-chrome-stable_current_amd64.deb
+
+# Install Rebar and Hex
+RUN mix local.rebar --force && mix local.hex --force 
+
+# Install the Phoenix Mix archive
+RUN mix archive.install --sha512 2a2f5167f5ea30f314500da449dbd8cfb4b6986cc27197c82fa4cc328798814f89a4dbe0183a5f213faed3587e8133ce99c1fab74cf1597978a270bdcc7bf789 --force https://github.com/phoenixframework/archives/raw/master/phx_new.ez
+
+# COPY mix.exs and mix.lock and install dependencies before adding the full code so the cache only
+# gets invalidated when dependencies are changed
+COPY mix.exs mix.lock ./
+RUN mix deps.get
+
+# Copy the app source code into the image
+COPY ./ /app

codeship-services.yml

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+# Docker Compose-like syntax, see here for details:
+# https://documentation.codeship.com/pro/builds-and-configuration/services/
+app:
+  build:
+    image: danbee/chess
+    dockerfile: Dockerfile
+  environment:
+    MIX_ENV: test
+    PGHOST: pg-db
+    PGUSER: postgres
+    PGPASSWORD: password
+  depends_on:
+    - pg-db
+pg-db:
+  image: healthcheck/postgres:alpine
+  environment:
+    POSTGRES_USER: postgres
+    POSTGRES_PASSWORD: password

codeship-steps.yml

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+# This is where we define the test steps that would be run in a Codeship Pro build.
+# The build passes as long as every test step returns with a non-zero exit code.
+# See here for more: https://documentation.codeship.com/pro/builds-and-configuration/steps/
+- name: run_mix_test
+  command: /bin/bash -c 'mix ecto.create && mix test'
+  service: app

config/test.exs

@@ -18,7 +18,7 @@ config :chess, Chess.Mailer, adapter: Bamboo.TestAdapter
 config :chess, Chess.Repo,
   adapter: Ecto.Adapters.Postgres,
   database: "chess_test",
-  hostname: "localhost",
+  hostname: System.get_env("PGHOST") || "localhost",
   port: System.get_env("POSTGRES_PORT") || "5432",
   pool: Ecto.Adapters.SQL.Sandbox
 

docker-compose.yml

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+version: '3'
+services:
+  app:
+    build: .
+    command: /bin/bash -c 'mix ecto.create && mix phx.server'
+    ports:
+      - "4000:4000"
+    environment:
+      MIX_ENV: dev
+      PGHOST: pg-db
+      PGUSER: postgres
+      PGPASSWORD: password
+    links:
+      - pg-db
+  pg-db:
+    image: healthcheck/postgres:alpine
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: password