Docker + Wordpress + Nginx Proxy + Let's encrypt + Watcher

readme.txt

This is a sample configuration that you can use to run multiple website that will be automatically served by nginx-proxy with enabled SSL certificates (from Let's Encrypt).


============= How to backup files inside docker volume? =============
Backup:
docker run --rm \
    -v source_volume_name:/source \
    -v /host/path/shared:/shared \
    ubuntu tar cvf /shared/backup.tar /source
    
Restore:
docker run --rm \
    -v dest_volume_name:/dest \
    -v /host/path/shared:/shared \
     ubuntu bash -c "tar -C /dest -xvf /shared/backup.tar --strip 1"

Example

Backup:
docker run --rm -v /home/user/shared:/shared -v volume-db:/source ubuntu tar cvf /shared/backup-db.tar /source
docker run --rm -v /home/user/shared:/shared -v volume-wp:/source ubuntu tar cvf /shared/backup-wp.tar /source

Restore
docker run --rm -v volume-db:/dest -v /home/user/shared:/shared ubuntu bash -c "tar -C /dest -xvf /shared/backup-db.tar --strip 1"
docker run --rm -v volume-wp:/dest -v /home/user/shared:/shared ubuntu bash -c "tar -C /dest -xvf /shared/backup-wp.tar --strip 1"


============= Wodpress asks for an FTP credentials during update. =============
This is a common issue whereby the WordPress system can’t write to your /wp-content folder directly.

Fix 1.
open wp-config.php and add define('FS_METHOD','direct');

Fix 2.
Check you permissions:

root@dc1d61c4373a:/var/www# ls -alh 
total 12K
drwxr-xr-x. 1 root     root     4.0K Nov 28 22:47 .
drwxr-xr-x. 1 root     root     4.0K Nov 16 02:06 ..
drwxrwxr-x. 5 www-data www-data 4.0K Dec  1 19:06 html


root@dc1d61c4373a:/var/www/html# ls -alh
total 216K
drwxrwxr-x.  5 www-data www-data 4.0K Dec  1 19:06 .
drwxr-xr-x.  1 root     root     4.0K Nov 28 22:47 ..
-rw-rw-r--.  1     1000     1000  125 Dec  1 18:49 .htaccess
-rw-r--r--.  1 www-data www-data  418 Sep 25  2013 index.php
-rw-r--r--.  1 www-data www-data  20K Dec  1 19:05 license.txt
-rw-r--r--.  1 www-data www-data  11K Dec  1 19:05 readme.html
-rw-r--r--.  1 www-data www-data 5.4K May  1  2018 wp-activate.php
drwxr-xr-x.  9 www-data www-data 4.0K Aug  2 20:39 wp-admin
-rw-r--r--.  1 www-data www-data  364 Dec 19  2015 wp-blog-header.php
-rw-r--r--.  1 www-data www-data 1.9K May  2  2018 wp-comments-post.php
-rw-r--r--.  1 www-data www-data 4.1K Dec  1 19:06 wp-config-sample.php
-rw-r--r--.  1 www-data www-data 3.1K Dec  1 19:06 wp-config.php
drwxr-xr-x.  9 www-data www-data 4.0K Dec  1 19:05 wp-content
-rw-r--r--.  1 www-data www-data 3.6K Aug 20  2017 wp-cron.php
drwxr-xr-x. 18 www-data www-data  12K Aug  2 20:39 wp-includes
-rw-r--r--.  1 www-data www-data 2.4K Nov 21  2016 wp-links-opml.php
-rw-r--r--.  1 www-data www-data 3.3K Aug 22  2017 wp-load.php
-rw-r--r--.  1 www-data www-data  37K Jul 16 14:14 wp-login.php
-rw-r--r--.  1 www-data www-data 7.9K Jan 11  2017 wp-mail.php
-rw-r--r--.  1 www-data www-data  16K Oct  4  2017 wp-settings.php
-rw-r--r--.  1 www-data www-data  30K Apr 29  2018 wp-signup.php
-rw-r--r--.  1 www-data www-data 4.6K Oct 23  2017 wp-trackback.php
-rw-r--r--.  1 www-data www-data 3.0K Aug 31  2016 xmlrpc.php

custom_proxy_settings.conf

client_max_body_size 64m;

docker-compose.yml

version: '3'

services:

  nginx-proxy:
    image: jwilder/nginx-proxy:latest
    container_name: nginx-proxy
    restart: always
    ports:
    - "80:80"
    - "443:443"
    volumes:
    - /var/run/docker.sock:/tmp/docker.sock:ro
    - ./certs:/etc/nginx/certs:ro
    - ./vhost:/etc/nginx/vhost.d
    - ./nginx:/usr/share/nginx/html
    - ./custom_proxy_settings.conf:/etc/nginx/conf.d/custom_proxy_settings.conf:ro
    labels:
      com.github.jrcs.letsencrypt_nginx_proxy_companion.nginx_proxy: "true"

  nginx-letsencrypt:
    image: jrcs/letsencrypt-nginx-proxy-companion:latest
    container_name: nginx-letsencrypt
    restart: always
    environment:
      NGINX_PROXY_CONTAINER: nginx-proxy
      # Uncoment to test on Staging
      #ACME_CA_URI: https://acme-staging.api.letsencrypt.org/directory
    volumes:
    - /var/run/docker.sock:/var/run/docker.sock:ro
    - ./vhost:/etc/nginx/vhost.d
    - ./certs:/etc/nginx/certs:rw
    - ./nginx:/usr/share/nginx/html

  watchtower:
    image: v2tec/watchtower
    container_name: watchtower
    volumes:
    - /var/run/docker.sock:/var/run/docker.sock
    - /root/.docker/config.json:/config.json
    command: container1 container2 --interval 30 --cleanup

networks:
  default:
    external:
      name: network-name

site1 docker-compose.yml

version: '3'

services:

  wordpress:
    image: wordpress:latest
    #ports:
    #  - "8085:80"
    restart: always
    volumes:
    - ./wordpress:/var/www/html
    - ./uploads.ini:/usr/local/etc/php/conf.d/uploads.ini
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_USER: mysql_user
      WORDPRESS_DB_PASSWORD: pwd
      WORDPRESS_DB_NAME: blog
      VIRTUAL_HOST: site.com
      LETSENCRYPT_HOST: site.com
      LETSENCRYPT_EMAIL: [email protected]

  db:
    image: mysql:5.7
    restart: always
    volumes:
    - ./mysql:/var/lib/mysql
    #ports:
    #- "33306:3306"
    environment:
      MYSQL_ROOT_PASSWORD: pwd
      MYSQL_DATABASE: blog
      MYSQL_USER: user
      MYSQL_PASSWORD: pwd

networks:
  default:
    external:
      name: network-name

site1 uploads.ini

file_uploads = On
memory_limit = 64M
upload_max_filesize = 64M
post_max_size = 64M
max_execution_time = 600