Gitea

With Gitea' ability to authenticate over SMTP it is trivial to integrate it with mailcow. Few changes are needed:

1. Open docker-compose.override.yml and add gitea:

version: '2.1'
services:

        gitea-mailcow:
            image: gitea/gitea:1
            volumes:
                - ./data/gitea:/data
            networks:
                mailcow-network:
                    aliases:
                        - gitea
            ports:
                - "${GITEA_SSH_PORT:-127.0.0.1:4000}:22"

2. Create data/conf/nginx/site.gitea.custom, add: 

location /gitea/ {
        proxy_pass http://gitea:3000/;
}

3. Open mailcow.conf and define the binding you want gitea to use for SSH. Example:

GITEA_SSH_PORT=127.0.0.1:4000

5. Run docker-compose up -d to bring up the gitea container and run docker-compose restart nginx-mailcow afterwards.

6. If you forced mailcow to https, execute step 9 and restart gitea with docker-compose restart gitea-mailcow . Go head with step 7 (Remember to use https instead of http, https://mx.example.org/gitea/

7. Open http://${MAILCOW_HOSTNAME}/gitea/, for example http://mx.example.org/gitea/. For database details set mysql as database host. Use the value of DBNAME found in mailcow.conf as database name, DBUSER as database user and DBPASS as database password.

8. Once the installation is complete, login as admin and set "settings" -> "authorization" -> "enable SMTP". SMTP Host should be postfix with port 587, set Skip TLS Verify as we are using an unlisted SAN ("postfix" is most likely not part of your certificate).

9. Create data/gitea/gitea/conf/app.ini and set following values. You can consult gitea cheat sheet for their meaning and other possible values.

[server]
SSH_LISTEN_PORT = 22
# For GITEA_SSH_PORT=127.0.0.1:4000 in mailcow.conf, set:
SSH_DOMAIN = 127.0.0.1
SSH_PORT = 4000
# For MAILCOW_HOSTNAME=mx.example.org in mailcow.conf (and default ports for HTTPS), set:
ROOT_URL = https://mx.example.org/gitea/

10. Restart gitea with docker-compose restart gitea-mailcow. Your users should be able to login with mailcow managed accounts.

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