d9b0b7f56e
* Notes on upgrading docker installation Basis from [gogs/gogs](https://github.com/gogs/gogs/blob/master/docker/README.md) * Feedback from @sapk to use docker-compose only
283 lines
8.2 KiB
Markdown
283 lines
8.2 KiB
Markdown
---
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date: "2016-12-01T16:00:00+02:00"
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title: "Installation with Docker"
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slug: "install-with-docker"
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weight: 10
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toc: true
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draft: false
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menu:
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sidebar:
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parent: "installation"
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name: "With Docker"
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weight: 10
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identifier: "install-with-docker"
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---
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# Installation with Docker
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Gitea provides automatically updated Docker images within its Docker Hub organization. It is
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possible to always use the latest stable tag or to use another service that handles updating
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Docker images.
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This reference setup guides users through the setup based on `docker-compose`, but the installation
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of `docker-compose` is out of scope of this documentation. To install `docker-compose` itself follow
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the official [install instructions](https://docs.docker.com/compose/install/).
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## Basics
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The most simple setup just creates a volume and a network and starts the `gitea/gitea:latest`
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image as a service. Since there is no database available one can be initialized using SQLite3.
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Create a directory like `gitea` and paste the following content into a file named `docker-compose.yml`.
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Note that the volume should be owned by the user/group with the UID/GID specified in the config file.
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If you don't give the volume correct permissions, the container may not start.
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Also be aware that the tag `:latest` will install the current development version.
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For a stable release you can use `:1` or specify a certain release like `:1.5.1`.
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```yaml
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version: "2"
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networks:
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gitea:
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external: false
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services:
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server:
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image: gitea/gitea:latest
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environment:
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- USER_UID=1000
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- USER_GID=1000
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restart: always
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networks:
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- gitea
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volumes:
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- ./gitea:/data
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ports:
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- "3000:3000"
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- "222:22"
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```
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## Custom port
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To bind the integrated openSSH daemon and the webserver on a different port, adjust
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the port section. It's common to just change the host port and keep the ports within
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the container like they are.
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```diff
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version: "2"
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networks:
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gitea:
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external: false
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services:
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server:
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image: gitea/gitea:latest
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environment:
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- USER_UID=1000
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- USER_GID=1000
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restart: always
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networks:
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- gitea
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volumes:
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- ./gitea:/data
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ports:
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- - "3000:3000"
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- - "222:22"
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+ - "8080:3000"
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+ - "2221:22"
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```
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## MySQL database
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To start Gitea in combination with a MySQL database, apply these changes to the
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`docker-compose.yml` file created above.
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```diff
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version: "2"
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networks:
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gitea:
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external: false
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services:
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server:
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image: gitea/gitea:latest
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environment:
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- USER_UID=1000
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- USER_GID=1000
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+ - DB_TYPE=mysql
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+ - DB_HOST=db:3306
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+ - DB_NAME=gitea
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+ - DB_USER=gitea
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+ - DB_PASSWD=gitea
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restart: always
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networks:
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- gitea
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volumes:
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- ./gitea:/data
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ports:
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- "3000:3000"
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- "222:22"
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+ depends_on:
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+ - db
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+
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+ db:
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+ image: mysql:5.7
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+ restart: always
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+ environment:
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+ - MYSQL_ROOT_PASSWORD=gitea
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+ - MYSQL_USER=gitea
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+ - MYSQL_PASSWORD=gitea
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+ - MYSQL_DATABASE=gitea
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+ networks:
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+ - gitea
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+ volumes:
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+ - ./mysql:/var/lib/mysql
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```
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## PostgreSQL database
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To start Gitea in combination with a PostgreSQL database, apply these changes to
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the `docker-compose.yml` file created above.
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```diff
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version: "2"
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networks:
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gitea:
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external: false
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services:
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server:
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image: gitea/gitea:latest
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environment:
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- USER_UID=1000
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- USER_GID=1000
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+ - DB_TYPE=postgres
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+ - DB_HOST=db:5432
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+ - DB_NAME=gitea
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+ - DB_USER=gitea
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+ - DB_PASSWD=gitea
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restart: always
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networks:
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- gitea
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volumes:
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- ./gitea:/data
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ports:
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- "3000:3000"
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- "222:22"
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+ depends_on:
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+ - db
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+
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+ db:
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+ image: postgres:9.6
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+ restart: always
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+ environment:
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+ - POSTGRES_USER=gitea
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+ - POSTGRES_PASSWORD=gitea
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+ - POSTGRES_DB=gitea
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+ networks:
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+ - gitea
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+ volumes:
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+ - ./postgres:/var/lib/postgresql/data
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```
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## Named volumes
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To use named volumes instead of host volumes, define and use the named volume
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within the `docker-compose.yml` configuration. This change will automatically
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create the required volume. You don't need to worry about permissions with
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named volumes, Docker will deal with that automatically.
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```diff
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version: "2"
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networks:
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gitea:
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external: false
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+volumes:
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+ gitea:
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+ driver: local
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+
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services:
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server:
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image: gitea/gitea:latest
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restart: always
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networks:
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- gitea
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volumes:
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- - ./gitea:/data
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+ - gitea:/data
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ports:
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- "3000:3000"
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- "222:22"
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```
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MySQL or PostgreSQL containers will need to be created separately.
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## Start
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To start this setup based on `docker-compose`, execute `docker-compose up -d`,
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to launch Gitea in the background. Using `docker-compose ps` will show if Gitea
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started properly. Logs can be viewed with `docker-compose logs`.
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To shut down the setup, execute `docker-compose down`. This will stop
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and kill the containers. The volumes will still exist.
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Notice: if using a non-3000 port on http, change app.ini to match
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`LOCAL_ROOT_URL = http://localhost:3000/`.
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## Install
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After starting the Docker setup via `docker-compose` Gitea should be available using a
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favorite browser to finalize the installation. Visit http://server-ip:3000 and follow the
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installation wizard. If the database was started with the `docker-compose` setup as
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documented above please note that `db` must be used as the database hostname.
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## Environments variables
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You can configure some of Gitea's settings via environment variables:
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(Default values are provided in **bold**)
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* `APP_NAME`: **"Gitea: Git with a cup of tea"**: Application name, used in the page title.
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* `RUN_MODE`: **dev**: For performance and other purposes, change this to `prod` when deployed to a production environment.
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* `SSH_DOMAIN`: **localhost**: Domain name of this server, used for the displayed clone URL in Gitea's UI.
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* `SSH_PORT`: **22**: SSH port displayed in clone URL.
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* `DISABLE_SSH`: **false**: Disable SSH feature when it's not available.
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* `HTTP_PORT`: **3000**: HTTP listen port.
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* `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).
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* `DB_TYPE`: **sqlite3**: The database type in use \[mysql, postgres, mssql, sqlite3\].
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* `DB_HOST`: **localhost:3306**: Database host address and port.
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* `DB_NAME`: **gitea**: Database name.
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* `DB_USER`: **root**: Database username.
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* `DB_PASSWD`: **"<empty>"**: Database user password. Use \`your password\` for quoting if you use special characters in the password.
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* `INSTALL_LOCK`: **false**: Disallow access to the install page.
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* `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`.
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* `DISABLE_REGISTRATION`: **false**: Disable registration, after which only admin can create accounts for users.
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* `REQUIRE_SIGNIN_VIEW`: **false**: Enable this to force users to log in to view any page.
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* `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).
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* `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).
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# Customization
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Customization files described [here](https://docs.gitea.io/en-us/customizing-gitea/) should
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be placed in `/data/gitea` directory. If using host volumes it's quite easy to access these
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files; for named volumes this is done through another container or by direct access at
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`/var/lib/docker/volumes/gitea_gitea/_data`. The configuration file will be saved at
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`/data/gitea/conf/app.ini` after the installation.
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# Upgrading
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:exclamation::exclamation: **Make sure you have volumed data to somewhere outside Docker container** :exclamation::exclamation:**
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To upgrade your installation to the latest release:
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```
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# Edit `docker-compose.yml` to update the version, if you have one specified
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# Pull new images
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docker-compose pull
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# Start a new container, automatically removes old one
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docker-compose up -d
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```
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