Talk Deployment Script

deploy.sh

#!/bin/bash

#
# Deploys an instance of talk using docker.
#
# Usage:
#
#   bash deploy.sh 1.0.0
#
#   This deploys a version 1.0.0.
#
#   bash deploy.sh latest
#
#   This deploys the latest build of talk.
#

set -e

version=$1

if [ -z "$(echo $version | grep -E '.*\..*\..*')" ] && [ "$version" != "latest" ]
then
  echo "bash deploy.sh (<major.minor.patch>|latest)" 1>&2
  exit 1
fi

echo "==> generating docker-compose.yml"
cat > docker-compose.yml <<EOF
version: '2'
services:
  talk:
    image: coralproject/talk:${version}
    restart: always
    ports:
      - "5000:5000"
    environment:
      - "TALK_PORT=5000"
      - "TALK_MONGO_URL=mongodb://mongo"
    depends_on:
      - mongo
  mongo:
    image: mongo:3.2
    restart: always
    volumes:
      - mongo:/data/db
volumes:
  mongo:
    external: false
EOF

echo "==> pulling image"
docker-compose pull

echo "==> starting services"
docker-compose up -d