[Improvement][Docker] Rename worker group to worker groups

docker/build/README.md

@@ -268,7 +268,7 @@ This environment variable sets port for `worker-server`. The default value is `1
 
 **`WORKER_GROUPS`**
 
-This environment variable sets group for `worker-server`. The default value is `default`.
+This environment variable sets groups for `worker-server`. The default value is `default`.
 
 **`WORKER_WEIGHT`**
 
@@ -319,7 +319,7 @@ Stop containers:
 docker-compose stop
 ```
 
-Stop containers and removes containers, networks and volumes:
+Stop containers and remove containers, networks and volumes:
 
 ```
 docker-compose down -v

docker/build/conf/dolphinscheduler/worker.properties.tpl

@@ -30,7 +30,7 @@ worker.reserved.memory=${WORKER_RESERVED_MEMORY}
 # worker listener port
 worker.listen.port=${WORKER_LISTEN_PORT}
 
-# default worker group
+# default worker groups
 worker.groups=${WORKER_GROUPS}
 
 # default worker weight

docker/kubernetes/dolphinscheduler/README.md

@@ -136,7 +136,7 @@ The following tables lists the configurable parameters of the Dolphins Scheduler
 | `worker.configmap.WORKER_MAX_CPULOAD_AVG`                                         | Only less than cpu avg load, worker server can work. default value : the number of cpu cores * 2                               | `100`                                                 |
 | `worker.configmap.WORKER_RESERVED_MEMORY`                                         | Only larger than reserved memory, worker server can work. default value : physical memory * 1/10, unit is G                    | `0.1`                                                 |
 | `worker.configmap.WORKER_LISTEN_PORT`                                             | Worker listen port                                                                                                             | `1234`                                                |
-| `worker.configmap.WORKER_GROUP`                                                   | Worker group                                                                                                                   | `default`                                             |
+| `worker.configmap.WORKER_GROUPS`                                                  | Worker groups                                                                                                                  | `default`                                             |
 | `worker.configmap.WORKER_WEIGHT`                                                  | Worker weight                                                                                                                  | `100`                                                 |
 | `worker.livenessProbe.enabled`                                                    | Turn on and off liveness probe                                                                                                 | `true`                                                |
 | `worker.livenessProbe.initialDelaySeconds`                                        | Delay before liveness probe is initiated                                                                                       | `30`                                                  |

dolphinscheduler-server/src/main/resources/worker.properties

@@ -30,7 +30,7 @@
 # worker listener port
 #worker.listen.port=1234
 
-# default worker group
+# default worker groups
 #worker.groups=default
 
 # default worker weight