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gitea-fork-majority-judgment/docs/content/doc/installation/with-docker.en-us.md

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---
date: "2016-12-01T16:00:00+02:00"
title: "Installation with Docker"
slug: "install-with-docker"
weight: 10
toc: true
draft: false
menu:
sidebar:
parent: "installation"
name: "With Docker"
weight: 10
identifier: "install-with-docker"
---
# Installation with Docker
Gitea provides automatically updated Docker images within its Docker Hub organization. It is
possible to always use the latest stable tag or to use another service that handles updating
Docker images.
This reference setup guides users through the setup based on `docker-compose`, but the installation
of `docker-compose` is out of scope of this documentation. To install `docker-compose` itself follow
the official [install instructions](https://docs.docker.com/compose/install/).
## Basics
The most simple setup just creates a volume and a network and starts the `gitea/gitea:latest`
image as a service. Since there is no database available one can be initialized using SQLite3.
Create a directory like `gitea` and paste the following content into a file named `docker-compose.yml`.
Note that the volume should be owned by the user/group with the UID/GID specified in the config file.
If you don't give the volume correct permissions, the container may not start.
Also be aware that the tag `:latest` will install the current development version.
For a stable release you can use `:1` or specify a certain release like `:1.5.1`.
```yaml
version: "2"
networks:
gitea:
external: false
services:
server:
image: gitea/gitea:latest
environment:
- USER_UID=1000
- USER_GID=1000
restart: always
networks:
- gitea
volumes:
- ./gitea:/data
ports:
- "3000:3000"
- "222:22"
```
## Custom port
To bind the integrated openSSH daemon and the webserver on a different port, adjust
the port section. It's common to just change the host port and keep the ports within
the container like they are.
```diff
version: "2"
networks:
gitea:
external: false
services:
server:
image: gitea/gitea:latest
environment:
- USER_UID=1000
- USER_GID=1000
restart: always
networks:
- gitea
volumes:
- ./gitea:/data
ports:
- - "3000:3000"
- - "222:22"
+ - "8080:3000"
+ - "2221:22"
```
## MySQL database
To start Gitea in combination with a MySQL database, apply these changes to the
`docker-compose.yml` file created above.
```diff
version: "2"
networks:
gitea:
external: false
services:
server:
image: gitea/gitea:latest
environment:
- USER_UID=1000
- USER_GID=1000
+ - DB_TYPE=mysql
+ - DB_HOST=db:3306
+ - DB_NAME=gitea
+ - DB_USER=gitea
+ - DB_PASSWD=gitea
restart: always
networks:
- gitea
volumes:
- ./gitea:/data
ports:
- "3000:3000"
- "222:22"
+ depends_on:
+ - db
+
+ db:
+ image: mysql:5.7
+ restart: always
+ environment:
+ - MYSQL_ROOT_PASSWORD=gitea
+ - MYSQL_USER=gitea
+ - MYSQL_PASSWORD=gitea
+ - MYSQL_DATABASE=gitea
+ networks:
+ - gitea
+ volumes:
+ - ./mysql:/var/lib/mysql
```
## PostgreSQL database
To start Gitea in combination with a PostgreSQL database, apply these changes to
the `docker-compose.yml` file created above.
```diff
version: "2"
networks:
gitea:
external: false
services:
server:
image: gitea/gitea:latest
environment:
- USER_UID=1000
- USER_GID=1000
+ - DB_TYPE=postgres
+ - DB_HOST=db:5432
+ - DB_NAME=gitea
+ - DB_USER=gitea
+ - DB_PASSWD=gitea
restart: always
networks:
- gitea
volumes:
- ./gitea:/data
ports:
- "3000:3000"
- "222:22"
+ depends_on:
+ - db
+
+ db:
+ image: postgres:9.6
+ restart: always
+ environment:
+ - POSTGRES_USER=gitea
+ - POSTGRES_PASSWORD=gitea
+ - POSTGRES_DB=gitea
+ networks:
+ - gitea
+ volumes:
+ - ./postgres:/var/lib/postgresql/data
```
## Named volumes
To use named volumes instead of host volumes, define and use the named volume
within the `docker-compose.yml` configuration. This change will automatically
create the required volume. You don't need to worry about permissions with
named volumes, Docker will deal with that automatically.
```diff
version: "2"
networks:
gitea:
external: false
+volumes:
+ gitea:
+ driver: local
+
services:
server:
image: gitea/gitea:latest
restart: always
networks:
- gitea
volumes:
- - ./gitea:/data
+ - gitea:/data
ports:
- "3000:3000"
- "222:22"
```
MySQL or PostgreSQL containers will need to be created separately.
## Start
To start this setup based on `docker-compose`, execute `docker-compose up -d`,
to launch Gitea in the background. Using `docker-compose ps` will show if Gitea
started properly. Logs can be viewed with `docker-compose logs`.
To shut down the setup, execute `docker-compose down`. This will stop
and kill the containers. The volumes will still exist.
Notice: if using a non-3000 port on http, change app.ini to match
`LOCAL_ROOT_URL = http://localhost:3000/`.
## Install
After starting the Docker setup via `docker-compose` Gitea should be available using a
favorite browser to finalize the installation. Visit http://server-ip:3000 and follow the
installation wizard. If the database was started with the `docker-compose` setup as
documented above please note that `db` must be used as the database hostname.
## Environments variables
You can configure some of Gitea's settings via environment variables:
(Default values are provided in **bold**)
* `APP_NAME`: **"Gitea: Git with a cup of tea"**: Application name, used in the page title.
* `RUN_MODE`: **dev**: For performance and other purposes, change this to `prod` when deployed to a production environment.
* `SSH_DOMAIN`: **localhost**: Domain name of this server, used for the displayed clone URL in Gitea's UI.
* `SSH_PORT`: **22**: SSH port displayed in clone URL.
* `DISABLE_SSH`: **false**: Disable SSH feature when it's not available.
* `HTTP_PORT`: **3000**: HTTP listen port.
* `ROOT_URL`: **""**: Overwrite the automatically generated public URL. This is useful if the internal and the external URL don't match (e.g. in Docker).
* `DB_TYPE`: **sqlite3**: The database type in use \[mysql, postgres, mssql, sqlite3\].
* `DB_HOST`: **localhost:3306**: Database host address and port.
* `DB_NAME`: **gitea**: Database name.
* `DB_USER`: **root**: Database username.
* `DB_PASSWD`: **"<empty>"**: Database user password. Use \`your password\` for quoting if you use special characters in the password.
* `INSTALL_LOCK`: **false**: Disallow access to the install page.
* `SECRET_KEY`: **""**: Global secret key. This should be changed. If this has a value and `INSTALL_LOCK` is empty, `INSTALL_LOCK` will automatically set to `true`.
* `DISABLE_REGISTRATION`: **false**: Disable registration, after which only admin can create accounts for users.
* `REQUIRE_SIGNIN_VIEW`: **false**: Enable this to force users to log in to view any page.
* `USER_UID`: **1000**: The UID (Unix user ID) of the user that runs Gitea within the container. Match this to the UID of the owner of the `/data` volume if using host volumes (this is not necessary with named volumes).
* `USER_GID`: **1000**: The GID (Unix group ID) of the user that runs Gitea within the container. Match this to the GID of the owner of the `/data` volume if using host volumes (this is not necessary with named volumes).
# Customization
Customization files described [here](https://docs.gitea.io/en-us/customizing-gitea/) should
be placed in `/data/gitea` directory. If using host volumes it's quite easy to access these
files; for named volumes this is done through another container or by direct access at
`/var/lib/docker/volumes/gitea_gitea/_data`. The configuration file will be saved at
`/data/gitea/conf/app.ini` after the installation.
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