d957a1569a
* bump postgres and mysql DB versions * posgres test against v10 Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
294 lines
9.3 KiB
Markdown
294 lines
9.3 KiB
Markdown
---
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date: "2020-02-09T20:00:00+02:00"
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title: "Installation with Docker (rootless)"
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slug: "install-with-docker-rootless"
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weight: 10
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toc: false
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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 Rootless"
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weight: 10
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identifier: "install-with-docker-rootless"
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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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The rootless image use Gitea internal ssh to provide git protocol and doesn't support openssh.
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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-rootless`
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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 for `data` and `config` then 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. By default Gitea in docker will use uid:1000 gid:1000. If needed you can set ownership on those folders with the command: `sudo chown 1000:1000 config/ data/`
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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-rootless` will install the current development version.
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For a stable release you can use `:1-rootless` or specify a certain release like `:{{< version >}}-rootless`.
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```yaml
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version: "2"
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services:
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server:
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image: gitea/gitea:latest-rootless
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restart: always
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volumes:
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- ./data:/var/lib/gitea
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- ./config:/etc/gitea
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- /etc/timezone:/etc/timezone:ro
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- /etc/localtime:/etc/localtime:ro
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ports:
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- "3000:3000"
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- "2222:2222"
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```
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## Custom port
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To bind the integrated ssh 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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services:
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server:
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image: gitea/gitea:latest-rootless
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restart: always
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volumes:
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- ./data:/var/lib/gitea
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- ./config:/etc/gitea
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- /etc/timezone:/etc/timezone:ro
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- /etc/localtime:/etc/localtime:ro
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ports:
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- - "3000:3000"
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- - "2222:2222"
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+ - "80:3000"
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+ - "22:2222"
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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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services:
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server:
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image: gitea/gitea:latest-rootless
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+ environment:
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+ - GITEA__database__DB_TYPE=mysql
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+ - GITEA__database__HOST=db:3306
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+ - GITEA__database__NAME=gitea
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+ - GITEA__database__USER=gitea
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+ - GITEA__database__PASSWD=gitea
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restart: always
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volumes:
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- ./data:/var/lib/gitea
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- ./config:/etc/gitea
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- /etc/timezone:/etc/timezone:ro
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- /etc/localtime:/etc/localtime:ro
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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:8
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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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+ 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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services:
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server:
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image: gitea/gitea:latest-rootless
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environment:
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+ - GITEA__database__DB_TYPE=postgres
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+ - GITEA__database__HOST=db:5432
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+ - GITEA__database__NAME=gitea
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+ - GITEA__database__USER=gitea
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+ - GITEA__database__PASSWD=gitea
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restart: always
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volumes:
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- ./data:/var/lib/gitea
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- ./config:/etc/gitea
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- /etc/timezone:/etc/timezone:ro
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- /etc/localtime:/etc/localtime:ro
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ports:
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- "3000:3000"
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- "2222:2222"
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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:13
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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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+ 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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+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-rootless
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restart: always
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volumes:
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- - ./data:/var/lib/gitea
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+ - gitea-data:/var/lib/gitea
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- - ./config:/etc/gitea
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+ - gitea-config:/etc/gitea
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- /etc/timezone:/etc/timezone:ro
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- /etc/localtime:/etc/localtime:ro
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ports:
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- "3000:3000"
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- "2222:2222"
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```
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MySQL or PostgreSQL containers will need to be created separately.
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## Custom user
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You can choose to use a custom user (following --user flag definition https://docs.docker.com/engine/reference/run/#user).
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As an example to clone the host user `git` definition use the command `id -u git` and add it to `docker-compose.yml` file:
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Please make sure that the mounted folders are writable by the user.
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```diff
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version: "2"
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services:
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server:
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image: gitea/gitea:latest-rootless
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restart: always
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+ user: 1001
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volumes:
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- ./data:/var/lib/gitea
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- ./config:/etc/gitea
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- /etc/timezone:/etc/timezone:ro
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- /etc/localtime:/etc/localtime:ro
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ports:
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- "3000:3000"
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- "2222:2222"
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```
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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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# 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 `/var/lib/gitea/custom` 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/_/var_lib_gitea`. The configuration file will be saved at
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`/etc/gitea/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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# Upgrading from standard image
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- Backup your setup
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- Change volume mountpoint from /data to /var/lib/gitea
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- If you used a custom app.ini move it to a new volume mounted to /etc/gitea
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- Rename folder (inside volume) gitea to custom
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- Edit app.ini if needed
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- Set START_SSH_SERVER = true
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- Use image gitea/gitea:latest-rootless
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## Managing Deployments With Environment Variables
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In addition to the environment variables above, any settings in `app.ini` can be set or overridden with an environment variable of the form: `GITEA__SECTION_NAME__KEY_NAME`. These settings are applied each time the docker container starts. Full information [here](https://github.com/go-gitea/gitea/tree/main/contrib/environment-to-ini).
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These environment variables can be passed to the docker container in `docker-compose.yml`. The following example will enable an smtp mail server if the required env variables `GITEA__mailer__FROM`, `GITEA__mailer__HOST`, `GITEA__mailer__PASSWD` are set on the host or in a `.env` file in the same directory as `docker-compose.yml`:
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```bash
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...
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services:
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server:
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environment:
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- GITEA__mailer__ENABLED=true
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- GITEA__mailer__FROM=${GITEA__mailer__FROM:?GITEA__mailer__FROM not set}
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- GITEA__mailer__MAILER_TYPE=smtp
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- GITEA__mailer__HOST=${GITEA__mailer__HOST:?GITEA__mailer__HOST not set}
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- GITEA__mailer__IS_TLS_ENABLED=true
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- GITEA__mailer__USER=${GITEA__mailer__USER:-apikey}
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- GITEA__mailer__PASSWD="""${GITEA__mailer__PASSWD:?GITEA__mailer__PASSWD not set}"""
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```
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To set required TOKEN and SECRET values, consider using gitea's built-in [generate utility functions](https://docs.gitea.io/en-us/command-line/#generate).
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# SSH Container Passthrough (not tested)
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This should be possible by forcing `authorized_keys` generation via `gitea admin regenerate keys`.
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We should use directly [SSH AuthorizedKeysCommand](https://docs.gitea.io/en-us/command-line/#keys) when it will be based on internal api.
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