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Christian Winther 2024-01-17 18:12:30 +00:00
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docker/migration.md
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@ -32,7 +32,7 @@ The consequence of this change is that *all* data stored in the - now unsupporte
> **It's important to note that this is a *copy* operation - so disk usage will (temporarily) double while you migrate**
> We provide a "migration container" for your convenience that can access both the new and old volumes, allowing you to copy the data into the setup.
#### 0. Backup, rollout, and rollback plan
#### Step 0. Backup, rollout, and rollback plan
1. Make sure to backup your server (ideally *after* step 1 below has completed, but *before* is better than not at all!)
1. Capture the current Git version / Pixelfed release you are on (e.g. `git --no-pager log -1` outputs the commit reference as the 2nd word in first line)
@ -40,7 +40,7 @@ The consequence of this change is that *all* data stored in the - now unsupporte
1. Backup your `docker-compose.yml` file (`cp docker-compose.yml docker-compose.yml.old`)
1. Read through the *entire* document before starting
#### 1. Migrate your ".env" file
#### Step 1. Migrate your ".env" file
The new `.env` file for Docker is a bit different from the old one (many new settings!) so the easiest is to grab the new `.env.docker` file and modify it from scratch again.
@ -71,7 +71,7 @@ This is a great time to review your settings and familiarize you with all the ne
> * [How do I use my own Proxy server?](faq.md#how-do-i-use-my-own-proxy-server)
> * [How do I use my own SSL certificate?](faq.md#how-do-i-use-my-own-ssl-certificate)
#### 2. Stop all running containers
#### Step 2. Stop all running containers
> [!CAUTION]
> This will take your Pixelfed instance offline
@ -82,7 +82,7 @@ Stop *all* running containers (web, worker, redis, db)
$ docker compose down
```
#### 3. Pull down the new source code
#### Step 3. Pull down the new source code
Update your project to the latest release of Pixelfed by running
@ -92,7 +92,7 @@ $ git pull origin $release
Where `$release` is either `dev`, `staging` or a [tagged release](https://github.com/pixelfed/pixelfed/releases) such as `v0.12.0`.
#### 4. Run the migration container
#### Step 4. Run the migration container
You can access the Docker container with both old and new volumes by running the following command
@ -114,7 +114,7 @@ This will put you in the `/migrate` directory within the container, containing 8
`-- old
```
#### 5. Check the folders
#### Step 5. Check the folders
##### Old folders
@ -138,7 +138,7 @@ $ ls db-data/new
$ ls redis-data/new
```
#### 6. Copy the data
#### Step 6. Copy the data
> [!WARNING]
> This is where we potentially will double your disk usage (temporarily)
@ -161,7 +161,7 @@ $ rsync -avP db-data/old/ db-data/new
$ rsync -avP redis-data/old/ redis-data/new
```
#### 7. Sanity checking
#### Step 7. Sanity checking
Lets make sure everything copied over successfully!
@ -190,7 +190,7 @@ aria_log_control ddl_recovery-backup.log ib_buffer_pool ib_logfile0 ibdata1
If everything looks good, type `exit` to leave exit the migration container
#### 6. Starting up the your Pixelfed server again
#### Step 8. Starting up the your Pixelfed server again
With all an updated Pixelfed (step 2), updated `.env` file (step 3), migrated data (step 4, 5, 6 and 7) we're ready to start things back up again.
@ -268,7 +268,7 @@ $ docker compose logs --tail 250 --follow
If you changed anything in the `.env` file while debugging, some containers might restart now, thats perfectly fine.
#### 7. Verify
#### Step 9. Verify
With all services online, it's time to go to your browser and check everything is working
@ -280,7 +280,7 @@ With all services online, it's time to go to your browser and check everything i
If everything looks fine, yay, you made it to the end! Lets do some cleanup
#### 8. Final steps + cleanup
#### Step 10. Final steps + cleanup
With everything working, please take a new snapshot/backup of your server *before* we do any cleanup. A post-migration snapshot is incredibly useful, since it contains both the old and new configuration + data, making any recovery much easier in a rollback scenario later.