gearmand
artefactual/gearmand packages recent versions of gearmand using Alpine Linux as the base image.
Supported tags and respective Dockerfile links
1.1.15-alpine(Dockerfile)1.1.16-alpine(Dockerfile)1.1.17-alpine(Dockerfile)1.1.18-alpine(Dockerfile)1.1.19.1-alpine(Dockerfile)1.1.20.1-alpine(Dockerfile)1.1.21.2-alpine,latest(Dockerfile)
See also the official releases page.
Supported gearmand backends
builtin(default)libmemcachedmysql(usingmariadb-dev)redis
Usage
Print help:
docker run --rm -i artefactual/gearmand:latest --helpUse redis backend and set verbose level to DEBUG.
docker run --rm -i artefactual/gearmand:latest --queue-type=redis --redis-server=192.168.1.1 --redis-port=6379 --verbose=DEBUGEnvironment variables
This image includes an entry point that translates environment strings into configuration attributes. The following is a list of the strings currently supported:
| Name | Description | Default |
|---|---|---|
| VERBOSE | Logging level | INFO |
| GEARMAND_PORT | Listen port | 4730 |
| QUEUE_TYPE | Persistent queue type to use | builtin |
| THREADS | Number of I/O threads to use | 4 |
| BACKLOG | Number of backlog connections for listen | 32 |
| FILE_DESCRIPTORS | Number of file descriptors to allow for the process | Default is max allowed for user |
| JOB_RETRIES | Number of attempts to run the job before the job server removes it. Default is no limit. | 0 |
| ROUND_ROBIN | Assign work in round-robin order per worker connection | 0 |
| WORKER_WAKEUP | Number of workers to wakeup for each job received | 0 |
| KEEPALIVE | Enable keepalive on sockets | 0 |
| KEEPALIVE_IDLE | The duration between two keepalive transmissions in idle condition | 30 |
| KEEPALIVE_INTERVAL | The duration between two successive keepalive retransmissions, if acknowledgement to the previous keepalive transmission is not received | 10 |
| KEEPALIVE_COUNT | The number of retransmissions to be carried out before declaring that remote end is not available | 5 |
| MYSQL_HOST | MySQL server host | localhost |
| MYSQL_PORT | MySQL server port | 3306 |
| MYSQL_USER | MySQL server user | root |
| MYSQL_PASSWORD | MySQL password | |
| MYSQL_PASSWORD_FILE | Path to file with MySQL password (Docker secrets) | |
| MYSQL_DB | Database to use by Gearman | Gearmand |
| MYSQL_TABLE | Table to use by Gearman | gearman_queue |
You can also inject your version of config file to /etc/gearmand.conf as needed.
Credits
See the list of contributors.
Thanks to @Mararok for the new entry point bringing support for environment variables and secrets.