docker-compose + etherpad + etherdraw + node:alpine
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Jonathan Rosenbaum 233361a8ff
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README.md

etherpad-and-draw-node-alpine

About

Designed as a plugin for the Yellow Bike Database, which is a specialized software for Community Bike Shops, etherpad-and-draw-node-alpine can be used for any project that wants to run lightweight alpine linux based dockerized containers with etherpad with etherdraw functionality built-in with an easy to setup docker-compose file.

The etherpad Dockerfile and entrypoint.sh is a fork of the work by tvelocity altered to work with alpine linux and rehashed to work with etherdraw. Tvelocity's own work was inspired by the official Wordpress Dockerfile and johbo's etherpad-lite image. That's how Free Software works!

How to Use

The recommended way is to run docker-compose up -d. Out of the box, there is only one requirement: There must be a running container created from one of the official mysql images like MariaDB. The default name for the container is mysql, but you can change the name in .env to whatever you have named your own mysql container:

SQL_CONTAINER=my_own_mysql_container_name

This will bring up two containers on port 9001 (etherpad) and port 9002 (etherdraw). If your are running on localhost, etherdraw should work properly within etherpad. If you are on a network, simply add this line to .env:

DRAW_HOST=the_name_of_the_domain_name_you_are_using.org

There are several other environmental variables you can change where VARIABLE=default value:

PAD_DATABASE=pad
PAD_PASSWORD=password
DB_HOST=mysql (must be the same value as SQL_CONTAINER)
PAD_TITLE=Online Flip Chart
ADMIN_PASSWORD=admin_password
ADMIN_USER=admin
DRAW_DATABASE=draw
DRAW_PASSWORD=password
DRAW_TITLE=Ether Draw
DRAW_PORT=9002

Advanced environmental changes

Two empty files, pad_environment and draw_environment are included to add your own environmental variables and values. For instance, I enjoy using docker-letsencrypt-nginx-proxy-companion, so here is what I add:

pad_environment
VIRTUAL_HOST=demopad.bikelover.org
LETSENCRYPT_HOST=demopad.bikelover.org
LETSENCRYPT_EMAIL=bike@bikelover.org
draw_environment
VIRTUAL_HOST=demodraw.bikelover.org
LETSENCRYPT_HOST=demodraw.bikelover.org
LETSENCRYPT_EMAIL=bike@bikelover.org

EtherPad Plugins

Here are some recommended plugins for etherpad, which include etherdraw functionality:

    ep_adminpads ep_align ep_authornames ep_comments_page \
    ep_copy_paste_images ep_define ep_draw ep_font_color ep_font_family \
    ep_font_size ep_headings ep_message_all ep_offline_edit \ 
    ep_page_view ep_print ep_simpletextsearch ep_spellcheck

To install, simply run these two docker-compose commands after running docker-compose up -d:

    docker-compose exec etherpad npm install \
    ep_adminpads ep_align ep_authornames ep_comments_page \
    ep_copy_paste_images ep_define ep_draw ep_font_color ep_font_family \
    ep_font_size ep_headings ep_message_all ep_offline_edit \
    ep_page_view ep_print ep_simpletextsearch ep_spellcheck;

    docker-compose restart etherpad;

If any of the plugins require configuration, simply edit etherpad/entrypoint.sh between cat <<- EOF > settings.json and EOF.