59 lines
1.7 KiB
Markdown
59 lines
1.7 KiB
Markdown
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# pub.solar mastodon
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https://mastodon.pub.solar
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### Upgrading
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This section assumes you edited `docker-compose.yml` and bumped the mastodon docker
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image version tag
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```
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# check current trailing number of mastodon containers
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# current_container_index
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docker ps | grep -E "sidekiq|streaming|web"
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# make a DB backup and copy it to your local machine
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docker exec -it matrix-postgres bash
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# in shell in matrix-postgres container:
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pg_dump -U mastodon -d mastodon_production -W -f /root/mastodon_db_backup-$(date +%F).sql
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exit
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# copy backup to local machine
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docker cp matrix-postgres:/root/mastodon_db_backup-$(date +%F).sql .
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# download new mastodon docker images
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docker-compose --project-name blue-mastodon pull
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# run pre-update migrations
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docker-compose run \
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--rm \
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-e SKIP_POST_DEPLOYMENT_MIGRATIONS=true \
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web \
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rails db:migrate
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# create new containers with new mastodon version
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docker-compose --project-name blue-mastodon up \
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--detach \
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--scale web=2 \
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--scale streaming=2 \
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--scale sidekiq=2 \
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--no-recreate
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# stop containers with old mastodon version
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docker stop \
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blue-mastodon_web_($current_container_index - 1) \
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blue-mastodon_streaming_($current_container_index - 1) \
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blue-mastodon_sidekiq_($current_container_index - 1)
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# run post-deployment migrations
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docker-compose run --rm web rails db:migrate
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# clean up containers with old mastodon version
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docker rm \
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blue-mastodon_web_($current_container_index - 1) \
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blue-mastodon_streaming_($current_container_index - 1) \
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blue-mastodon_sidekiq_($current_container_index - 1)
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```
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Todos:
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- implement automatic backups, they are only done manually during upgrades at the moment
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- switch proxy from nginx-dehydrated to caddy - done
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