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docker: incorporate the docker docs into the official documentation

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This also means increasing the indentation level.
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muxator 2019-11-08 23:17:34 +01:00
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# Docker
The official Docker image is available on https://hub.docker.com/r/etherpad/etherpad.
# Downloading from Docker Hub
If you are ok downloading a [prebuilt image from Docker Hub](https://hub.docker.com/r/etherpad/etherpad), these are the commands:
```bash
# gets the latest published version
docker pull etherpad/etherpad
# gets a specific version
docker pull etherpad/etherpad:1.8.0
```
# Build a personalized container
If you want to use a personalized settings file, **you will have to rebuild your image**.
All of the following instructions are as a member of the `docker` group.
## Rebuilding with custom settings
Prepare your custom `settings.json` file:
```bash
cd <BASEDIR>/docker
cp ../settings.json.template settings.json
[ further edit your settings.json as needed ]
```
**Each configuration parameter can also be set via an environment variable**, using the syntax `"${ENV_VAR}"` or `"${ENV_VAR:default_value}"`. For details, refer to `settings.json.template`.
## Rebuilding including some plugins
If you want to install some plugins in your container, it is sufficient to list them in the ETHERPAD_PLUGINS build variable.
The variable value has to be a space separated, double quoted list of plugin names (see examples).
Some plugins will need personalized settings in the `settings.json` file. Just refer to the previous section, and include them in your custom `settings.json`.
## Examples
Build the latest development version:
```bash
docker build --tag <YOUR_USERNAME>/etherpad .
```
Build the latest stable version:
```bash
docker build --build-arg ETHERPAD_VERSION=master --build-arg NODE_ENV=production --tag <YOUR_USERNAME>/etherpad .
```
Build a specific tagged version:
```bash
docker build --build-arg ETHERPAD_VERSION=1.7.5 --build-arg NODE_ENV=production --tag <YOUR_USERNAME>/etherpad .
```
Build a specific git hash:
```bash
docker build --build-arg ETHERPAD_VERSION=4c45ac3cb1ae --tag <YOUR_USERNAME>/etherpad .
```
Include two plugins in the container:
```bash
docker build --build-arg ETHERPAD_PLUGINS="ep_codepad ep_author_neat" --tag <YOUR_USERNAME>/etherpad .
```
# Running your instance:
To run your instance:
```bash
docker run --detach --publish <DESIRED_PORT>:9001 <YOUR_USERNAME>/etherpad
```
And point your browser to `http://<YOUR_IP>:<DESIRED_PORT>`
# Options available by default
The `settings.json` available by default enables some configuration to be set from the environment.
Available options:
* `TITLE`: The name of the instance
* `FAVICON`: favicon default name, or a fully specified URL to your own favicon
* `SKIN_NAME`: either `no-skin`, `colibris` or an existing directory under `src/static/skins`.
* `IP`: IP which etherpad should bind at. Change to `::` for IPv6
* `PORT`: port which etherpad should bind at
* `SHOW_SETTINGS_IN_ADMIN_PAGE`: hide/show the settings.json in admin page
* `DB_TYPE`: a database supported by https://www.npmjs.com/package/ueberdb2
* `DB_HOST`: the host of the database
* `DB_PORT`: the port of the database
* `DB_NAME`: the database name
* `DB_USER`: a database user with sufficient permissions to create tables
* `DB_PASS`: the password for the database username
* `DB_CHARSET`: the character set for the tables (only required for MySQL)
* `DB_FILENAME`: in case `DB_TYPE` is `DirtyDB`, the database filename. Default: `var/dirty.db`
* `ADMIN_PASSWORD`: the password for the `admin` user (leave unspecified if you do not want to create it)
* `USER_PASSWORD`: the password for the first user `user` (leave unspecified if you do not want to create it)
* `LOGLEVEL`: valid values are `DEBUG`, `INFO`, `WARN` and `ERROR`
## Examples
Use a Postgres database, no admin user enabled:
```shell
docker run -d \
--name etherpad \
-p 9001:9001 \
-e 'DB_TYPE=postgres' \
-e 'DB_HOST=db.local' \
-e 'DB_PORT=4321' \
-e 'DB_NAME=etherpad' \
-e 'DB_USER=dbusername' \
-e 'DB_PASS=mypassword' \
etherpad/etherpad
```
Run enabling the administrative user `admin`:
```shell
docker run -d \
--name etherpad \
-p 9001:9001 \
-e 'ADMIN_PASSWORD=supersecret' \
etherpad/etherpad
```