[skywalking-docker] branch hanahmily-patch-1 updated: Update README.md

[ha...@apache.org]

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hanahmily pushed a commit to branch hanahmily-patch-1
in repository https://gitbox.apache.org/repos/asf/skywalking-docker.git


The following commit(s) were added to refs/heads/hanahmily-patch-1 by this push:
     new a92a952  Update README.md
a92a952 is described below

commit a92a952be2a1bbd80b5e412fe8221f6f6749b9ca
Author: Gao Hongtao <ha...@gmail.com>
AuthorDate: Sun May 19 11:44:30 2019 +0800

    Update README.md
---
 6/6.1/oap/README.md | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/6/6.1/oap/README.md b/6/6.1/oap/README.md
index 0e03461..b7f4f15 100644
--- a/6/6.1/oap/README.md
+++ b/6/6.1/oap/README.md
@@ -21,16 +21,30 @@ $ docker run --name oap --restart always -d -e SW_STORAGE=elasticsearch -e SW_ST
 
 # Configuration
 
-We could setup enviroment variables to configure this image. Most of them is defined in [setup backends](), but Apache SkyWalking Docker Image adds extra enviroment variables to help user to compose it propertly.
+We could set up environment variables to configure this image. Most of them are defined in [backend-setup](https://github.com/apache/skywalking/blob/v6.1.0/docs/en/setup/backend/backend-setup.md), but Apache SkyWalking Docker Image adds extra environment variables to help the user to compose it properly. The details are located in [docker-entrypoint.sh](docker-entrypoint.sh)
 
 ## SW_CLUSTER
 Default value is `standalone`, avaliable values are:
- - `standlone`
- - `zookeeper`
- - `kubernetes`
- - con
+
+ - `standlone`, If set this value, all enviroment variables of `cluster.standlone` in `application.yml` are avaliable.
+ - `zookeeper`, If set this value, all enviroment variables of `cluster.zookeeper` in `application.yml` are avaliable.
+ - `kubernetes`, If set this value, all enviroment variables of `cluster.kubernetes` in `application.yml` are avaliable.
+ - `consul`, If set this value, all enviroment variables of `cluster.consul` in `application.yml` are avaliable.
+ 
 ## SW_STORAGE
+Default value is `H2`, avaliable values are:
+
+ - `H2`, If set this value, all enviroment variables of `storage.h2` in `application.yml` are avaliable.
+ - `elasticsearch`, If set this value, all enviroment variables of `stroage.elasticsearch` in `application.yml` are avaliable.
+ - `mysql`, If set this value, all enviroment variables of `stroage.mysql` in `application.yml` are avaliable.
+ 
 ## XXX_ENABLED
 
+There are also some other configuration switchers to extend default configuration, they also have a suffix `_ENABLED`.
+
+ - `SW_RECEIVER_ZIPKIN_ENABLED` turns on/off zipkin receiver
+ - `SW_RECEIVER_JAEGER_ENABLED` turns on/off zipkin receiver
+ - `SW_EXPORTER_ENABLED`  turns on/off exporter
+
 # License
 [Apache 2.0 License.](/LICENSE)