docker tutorials: docker, docker-compose, ansible

README.md

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 ## Sie Blogs
 
+* Docker
+    * Docker Command vs Ansible - https://medium.com/@Joachim8675309/docker-using-shell-or-docker-compose-4ab8ea8ae801
+    * Docker Command vs. Docker Compose - https://medium.com/@Joachim8675309/docker-using-shell-or-ansible-7cdceb646d3
 * Virtual Box
     * Windows
          * Windows 8.1 - https://medium.com/@Joachim8675309/virtualbox-and-friends-on-windows-8-1-3c691460698f

docker-ansible/Brewfile

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+cask_args appdir: '/Applications'
+cask 'virtualbox'
+cask 'virtualbox-extension-pack'
+cask 'vagrant'
+cask 'docker-toolbox'

docker-ansible/README.md

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+# Docker Command vs Ansible Playbook Tutorial
+
+## Mac OS X
+
+```bash
+##### Install
+./helper-mac-install.sh
+##### Start a VM if needed
+docker-machine create --driver 'virtualbox' docker-ansible
+eval $(docker-machine env docker-ansible)
+
+##### Test Shell Ansible
+./docker-wordpress.sh
+curl $(docker-machine ip docker-ansible)
+##### Cleanup (removes everything on this guest vm)
+docker ps -q | xargs docker stop
+docker ps -aq | xargs docker rm
+
+##### Test Docker Ansible
+./docker-wordpress-shell.yml
+curl $(docker-machine ip docker-ansible)
+##### Cleanup (removes everything on this guest vm)
+docker ps -q | xargs docker stop
+docker ps -aq | xargs docker rm
+
+##### Test Docker Ansible
+./docker-wordpress.yml
+curl $(docker-machine ip docker-ansible)
+##### Cleanup (removes everything on this guest vm)
+docker ps -q | xargs docker stop
+docker ps -aq | xargs docker rm
+
+##### Stop and Remove Guest VM
+docker-machine stop docker-ansible
+docker-machine rm docker-ansible

docker-ansible/docker-wordpress-shell.yml

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+#!/usr/bin/env ansible-playbook
+---
+- hosts: localhost
+  gather_facts: no
+  vars:
+    docker_volume: db_data
+    docker_network: ansible_net
+    db_name: db
+    wp_name: wordpress
+    wp_host_port: 8000
+    wp_container_port: 80
+  tasks:
+    - name: Create docker volume
+      shell: docker volume create -d local --name {{ docker_volume }}
+    - name: Search for docker network
+      shell: docker network ls | grep -q {{ docker_network }}
+      register: test_docker_network
+      ignore_errors: yes
+    - name: Create docker network
+      shell: docker network create {{ docker_network }}
+      when: test_docker_network.rc != 0
+    - name: Launch database container
+      shell: >
+        docker run -d
+        -v {{ docker_volume }}:/var/lib/mysql:rw
+        --network={{ docker_network }}
+        --network-alias {{ db_name }}
+        --restart=always
+        -e MYSQL_ROOT_PASSWORD=wordpress
+        -e MYSQL_PASSWORD=wordpress
+        -e MYSQL_USER=wordpress
+        -e MYSQL_DATABASE=wordpress
+        --name {{ db_name }}
+        mysql:5.7
+    - name: Launch wordpress container
+      shell: >
+        docker run -d
+        --network={{ docker_network }}
+        --network-alias {{ wp_name }}
+        -p "{{ wp_host_port }}:{{ wp_container_port }}"
+        --restart=always
+        -e WORDPRESS_DB_HOST="{{ db_name }}:3306"
+        -e WORDPRESS_DB_PASSWORD=wordpress
+        --name {{ wp_name }}
+        wordpress:latest

docker-ansible/docker-wordpress.sh

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+#!/bin/sh
+
+# create the network if network does not exist
+docker network list | grep -q "wordpress_net" || \
+  docker network create "wordpress_net"
+
+# create volumes
+docker volume create -d local --name "db_data"
+
+# start mysql database
+docker run -d \
+  -v db_data:/var/lib/mysql:rw \
+  --network='wordpress_net' \
+  --network-alias db \
+  --restart=always \
+  -e MYSQL_ROOT_PASSWORD='wordpress' \
+  -e MYSQL_PASSWORD='wordpress' \
+  -e MYSQL_USER='wordpress' \
+  -e MYSQL_DATABASE='wordpress' \
+  --name db mysql:5.7
+
+# start wordpress application
+docker run -d \
+  --network=wordpress_net \
+  --network-alias wordpress \
+  -p "8080:80" \
+  --restart=always \
+  -e WORDPRESS_DB_HOST="db:3306" \
+  -e WORDPRESS_DB_PASSWORD='wordpress' \
+  --name wordpress wordpress:latest

docker-ansible/docker-wordpress.yml

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+#!/usr/bin/env ansible-playbook
+---
+- hosts: localhost
+  gather_facts: no
+  vars:
+    docker_volume: db_data
+    docker_network: ansible_net
+    db_name: db
+    wp_name: wordpress
+    wp_host_port: 8000
+    wp_container_port: 80
+  tasks:
+    - name: "Create a Volume"
+      docker_volume:
+        name: "{{ docker_volume }}"
+    # ansible 2.2 only
+    - name: "Create a network"
+      docker_network:
+        name: "{{ docker_network }}"
+    - name: "Launch database container"
+      docker_container:
+        name: "{{ db_name }}"
+        image: mysql:5.7
+        volumes:
+          - "{{ docker_volume }}:/var/lib/mysql:rw"
+        restart: true
+        networks:
+          - name: "{{ docker_network }}"
+            alias:
+              - "{{ db_name }}"
+        env:
+          MYSQL_ROOT_PASSWORD: wordpress
+          MYSQL_DATABASE: wordpress
+          MYSQL_USER: wordpress
+          MYSQL_PASSWORD: wordpress
+    - name: "Launch wordpress container"
+      docker_container:
+        name: "{{ wp_name }}"
+        image: wordpress:latest
+        ports:
+          - "{{ wp_host_port }}:{{ wp_container_port }}"
+        restart: true
+        networks:
+          - name: "{{ docker_network }}"
+            alias:
+              - "{{ wp_name }}"
+        env:
+          WORDPRESS_DB_HOST: "{{ db_name }}:3306"
+          WORDPRESS_DB_PASSWORD: wordpress

docker-ansible/helper-mac-install.sh

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+#!/bin/sh
+# only run on Mac OS X
+[ $(uname -s) = "Darwin" ] || { echo 'Only runs on Mac OS X!!!' ; exit 1 ; }
+# Install Homebrew
+which -s brew || /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
+
+brew bundle --verbose
+
+pip install -r requirements.txt

docker-ansible/requirements.txt

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+ansible
+docker

docker-docker_compose/Brewfile

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+cask_args appdir: '/Applications'
+cask 'virtualbox'
+cask 'virtualbox-extension-pack'
+cask 'vagrant'
+cask 'docker-toolbox'

docker-docker_compose/README.md

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+# Docker Command vs Ansible Playbook Tutorial
+
+## Mac OS X
+
+These are the commands you can use to startup and cleanup each test
+
+```bash
+##### Install
+./helper-mac-install.sh
+##### Start a VM if needed
+docker-machine create --driver 'virtualbox' docker-compose-tutorial
+eval $(docker-machine env docker-compose-tutorial)
+
+##### Test Shell Ansible
+./docker-wordpress.sh
+curl $(docker-machine ip docker-compose-tutorial):8080
+##### Cleanup (removes everything on this guest vm)
+docker ps -q | xargs docker stop
+docker ps -aq | xargs docker rm
+
+##### Test Docker Compose
+pushd compose_static
+docker-compose up -d
+curl $(docker-machine ip docker-compose-tutorial):8000
+##### Cleanup (removes everything on this guest vm)
+docker-compose stop
+docker-compose rm
+popd
+
+##### Test Docker Compose
+pushd compose_w_envars
+docker-compose up -d
+curl $(docker-machine ip docker-compose-tutorial):8000
+##### Cleanup (removes everything on this guest vm)
+docker-compose stop
+docker-compose rm
+popd
+
+##### Stop and Remove Guest VM
+docker-machine stop docker-compose-tutorial
+docker-machine rm docker-compose-tutorial

docker-docker_compose/compose_static/docker-compose.yml

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+version: '2'
+services:
+   db:
+     image: mysql:5.7
+     volumes:
+       - db_data:/var/lib/mysql
+     restart: always
+     environment:
+       MYSQL_ROOT_PASSWORD: wordpress
+       MYSQL_DATABASE: wordpress
+       MYSQL_USER: wordpress
+       MYSQL_PASSWORD: wordpress
+   wordpress:
+     depends_on:
+       - db
+     image: wordpress:latest
+     ports:
+       - "8000:80"
+     restart: always
+     environment:
+       WORDPRESS_DB_HOST: db:3306
+       WORDPRESS_DB_USER: wordpress
+       WORDPRESS_DB_PASSWORD: wordpress
+volumes:
+    db_data:

docker-docker_compose/compose_w_envars/.env

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+WP_HOST_PORT=8000
+WP_CONTAINER_PORT=80

docker-docker_compose/compose_w_envars/docker-compose.yml

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+version: '2'
+services:
+   db:
+     image: mysql:5.7
+     volumes:
+       - db_data:/var/lib/mysql
+     restart: always
+     environment:
+       MYSQL_ROOT_PASSWORD: wordpress
+       MYSQL_DATABASE: wordpress
+       MYSQL_USER: wordpress
+       MYSQL_PASSWORD: wordpress
+   wordpress:
+     depends_on:
+       - db
+     image: wordpress:latest
+     ports:
+       - "${WP_HOST_PORT}:${WP_CONTAINER_PORT}"
+     restart: always
+     environment:
+       WORDPRESS_DB_HOST: db:3306
+       WORDPRESS_DB_USER: wordpress
+       WORDPRESS_DB_PASSWORD: wordpress
+volumes:
+    db_data:

docker-docker_compose/helper-mac-install.sh

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+#!/bin/sh
+# only run on Mac OS X
+[ $(uname -s) = "Darwin" ] || { echo 'Only runs on Mac OS X!!!' ; exit 1 ; }
+# Install Homebrew
+which -s brew || /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
+
+brew bundle --verbose