Dockbit Dev environment

dockbox

#!/bin/bash
#
# Dockbit Dev Box setup script.
#

set -e

VERBOSE=0
DRY=0

function print_help() {
  echo "Sets up Dockbit Dev Box with all the nuts and bolts."
  echo
  echo "Usage:"
  echo "  $0 [-h] [-v] [-s]"
  echo
  echo "Options:"
  echo -e "  -h \t For usage help."
  echo -e "  -v \t Verbose mode - show output of all commands."
  echo -e "  -d \t Dry run mode - show only what will do."
  echo
}

function print_hi() {
  echo
  echo -e "\033[94m 🤖  Setting up Dockbit Dev Box. Keep tight... \033[0m"
  echo
}

function print_bye() {
  echo
  echo -e "\033[97m All done! Go and build something awesome now 💜  🚀\033[0m"
  echo
  echo -e " Your dev box is running at \033[97mhttp://docker:3000\033[0m"
  echo -e " For more help \033[97mdocker-compose -h\033[0m"
  echo
}

function run_step() {
  printf " \033[97m%-24s\033[0m" "$1"
  shift

  [ $VERBOSE -eq 0 ] && out="> /dev/null 2>&1"
  [ $DRY -eq 1 ] && dry="echo"

  eval "$dry $@ $out"

  if [ $VERBOSE -eq 0 ] ; then
    echo -e "\033[97m ✓\033[0m"
  fi
}

while getopts ":vdh" opt; do
  case $opt in
    v)
      VERBOSE=1
      ;;
    d)
      DRY=1
      ;;
    h)
      print_help
      exit 0
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      exit 1
      ;;
    :)
      echo "Option -$OPTARG requires an argument." >&2
      exit 1
      ;;
  esac
done

print_hi

# Substitute user variable data
cat docker-compose.example.yml | sed "s#{{HOME}}#$HOME#g" > docker-compose.yml

run_step "Building image" \
  docker-compose build

run_step "Bringing up app" \
  docker-compose up -d

run_step "Setting up database" \
  docker-compose run web rails db:create db:schema:load

print_bye

docker-compose.example.yml

version: '2'
services:
  web: &app_base
    build: .
    command: rails server -p 3000 -b 0.0.0.0
    depends_on:
      - postgres
      - redis
      - vault
    ports:
      - 3000:3000
    links:
      - postgres
      - redis
    volumes:
      - .:/app
      - {{HOME}}/.docker/machine/certs:/etc/ssl/docker
    volumes_from:
      - bundle
    environment:
      VAULT_ADDR: http://192.168.99.100:8200
      VAULT_TOKEN: 8d2b46d1-a2b6-3728-4da1-12a52e40df7f

  bundle:
    image: app_web
    command: echo Data container for Bundler...
    volumes:
      - /bundle

  postgres_data:
    image: app_web
    command: echo Data container for Postgres...
    volumes:
      - /var/lib/postgresql/data

  postgres:
    image: postgres:9.4
    volumes_from:
      - postgres_data

  redis:
    image: redis:3.0

  sidekiq:
    <<: *app_base
    ports: []
    command: sidekiq -C ./config/sidekiq.yml

  vault:
    image: cgswong/vault:0.5.2
    command: server -dev
    ports:
      - 8200:8200
    environment:
      VAULT_DEV_LISTEN_ADDRESS: 0.0.0.0:8200
      VAULT_DEV_ROOT_TOKEN_ID: 8d2b46d1-a2b6-3728-4da1-12a52e40df7f

Dockerfile

FROM ruby:2.3
MAINTAINER [email protected]

# Install app dependencies
RUN apt-get update -qq && apt-get install -y \
  build-essential \
  libpq-dev \
  unzip \
  telnet \
  vim \
  nodejs

# Install Hashicorp Vault
ENV VAULT_VERSION 0.5.2
RUN curl -SL https://releases.hashicorp.com/vault/${VAULT_VERSION}/vault_${VAULT_VERSION}_linux_amd64.zip > /tmp/vault.zip && \
    cd /bin && unzip /tmp/vault.zip && chmod +x /bin/vault && rm /tmp/vault.zip

# Create working directory
ENV APP_HOME /app
RUN mkdir -p $APP_HOME
WORKDIR $APP_HOME

# Set up Bundler and application tree
ENV BUNDLE_GEMFILE=$APP_HOME/Gemfile \
    BUNDLE_JOBS=2 \
    BUNDLE_PATH=/bundle

COPY Gemfile* $APP_HOME/
RUN bundle install
COPY . $APP_HOME

EXPOSE 3000

run

#!/bin/bash
# Just a tiny wrapper around `docker-compose`
docker-compose run web $*