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# SeaweedFS CSI-Driver Docker Plugin
This Docker plugin integrates the SeaweedFS CSI-Driver with Docker. It allows you to use SeaweedFS as a volume driver in Docker environments.
## Environment Variables
| Variable | Description |
|-----------------------|-------------------------------------------------------------------------------------------------------|
| `FILER` | Filer endpoint(s), format: `<IP1>:<PORT>,<IP2>:<PORT2>` |
| `CACHE_SIZE` | The size of the cache to use in MB. Default: 256MB |
| `CACHE_DIR` | The cache directory. |
| `C_WRITER` | Limit concurrent goroutine writers if not 0. Default 32 |
| `DATACENTER` | Data center this node is running in (locality-definition). Default: `DefaultDataCenter` |
| `UID_MAP` | Map local UID to UID on filer, comma-separated `<local_uid>:<filer_uid>` |
| `GID_MAP` | Map local GID to GID on filer, comma-separated `<local_gid>:<filer_gid>` |
## Mounts
| Mount Destination | Source Path | Description |
|---------------------|-----------------|------------------------------|
| `/node_hostname` | `/etc/hostname` | Used to get the nodename |
| `/tmp` | `/tmp` | Used for caching |
## Usage
```bash
docker plugin install --disable --alias seaweedfs-csi:swarm --grant-all-permissions gradlon/swarm-csi-swaweedfs:v1.2.0
docker plugin set seaweedfs-csi:swarm FILER=<IP>:8888,<IP>:8888
docker plugin set seaweedfs-csi:swarm CACHE_SIZE=512
docker plugin enable seaweedfs-csi:swarm
docker volume create --driver seaweedfs-csi:swarm --availability active --scope single --sharing none --type mount --opt path="/docker/volumes/teste1" test-volume
docker volume create \
--driver seaweedfs-csi:swarm \
--availability active \
--scope multi \
--sharing all \
--type mount \
testVolume
docker service create --name testService --mount type=cluster,src=testVolume,dst=/usr/share/nginx/html --publish 2080:80 nginx
```
Volumes are store in the "/buckets" folder on the Seaweed server.
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