* add environment variables add checkpoint.sh file to docker image

1. add `POSTGRESQL_DATABASE` environment variable
2. add `DOLPHINSCHEDULER_DATA_BASEDIR_PATH` environment variable
3. add `DOLPHINSCHEDULER_DATA_DOWNLOAD_BASEDIR_PATH` environment variable
4. add `DOLPHINSCHEDULER_PROCESS_EXEC_BASEPATH` environment variable
5. add checkpoint.sh file to check server process
6. modify `README.md` and `README_zh_CN.md`

* add environment variables add checkpoint.sh file to docker image

1. add `POSTGRESQL_DATABASE` environment variable
2. add `DOLPHINSCHEDULER_DATA_BASEDIR_PATH` environment variable
3. add `DOLPHINSCHEDULER_DATA_DOWNLOAD_BASEDIR_PATH` environment variable
4. add `DOLPHINSCHEDULER_PROCESS_EXEC_BASEPATH` environment variable
5. add checkpoint.sh file to check server process
6. modify `README.md` and `README_zh_CN.md`

* add logger port and modify dolphinscheduler_env to dolphinscheduler_env.sh

…#1999)

* Adapting partial code(file name start with E) to the sonar cloud rule

* remove isEmpty invoke

* resolve conflicts

…#2045)

* Adapting partial code(file name start with F) to the sonar cloud rule

* add more unit test

* add License

* add includes configuration to maven-surefire-plugin

* fix getResourceFilesList incorrect logic

Co-authored-by: guirong.ggr <guirong.ggr@dtwave-inc.com>

Co-authored-by: guirong.ggr <guirong.ggr@dtwave-inc.com>

* docker run failed when docker command was `docker run -d`

1. add tini
2. replace `tee` command by `tail` command in startup.sh
3. api-server need to support zookeeper

* modify `check.sh` in dockerfile

* add init directories and log files

* Add mail server configuration description information

* Remove mail server configuration note in alert.properties

…2141)

* Change DOM label

* Change name to lowercase

* Limit customization file content to no more than 3000 lines

…#2145)

Co-authored-by: zhukai <zhukai@ygsoft.com>

* fix bug: data to long for app_link field

* change app_link field length in 1.2.2 ddl

* change app_link field type to text

…#2155)

* Update quick-start.md

* 更新demo的地址

* add rpm plugin

* delete the git ignore files

* 测试git ignore

* 测试ignore

* optimize the .gitignore file

* add rpm package, delete unuse copy jar action in assembly

* delete docs dir

* add rpm plugin support

* add rpm plugin support

* add rpm plugin support

* dolphinscheduler-common have not bin dir

* dolphinscheduler-common have not bin dir

* delete unuse config about assembly

* add defineSatement

* add rpm plugin support

* add rpm plugin support

* add rpm plugin support

* add rpm support

* update install dirname , make front and backend together

* update rpm name

* update rpm name

* update rpm config

* add jars excludes

* add jars excludes

* add rpm plugion

* add rpm plugion

* add rpm plugion

* add auto create /opt/soft

* The install dir can not be fixed to apache-dolphinscheduler-incubating-1.2.1 , its version is 1.2.2

* install from rpm will create a link

* the ui install thrown rpm only support jetty not nginx

* the ui install thrown rpm only support jetty not nginx

* sql目录里加上soft_version文件

* env dir need in conf dir

* remove no use module

* add module

* updaate

* rpmbuild add dolphinscheduler-service module

* Toolbar of the DAG has not prompt

* Remove duplication code

Co-authored-by: chenxingchun <438044805@qq.com>

…scription of the replication plug-in directory (#2786)

* Modify the ambari-plugin readme for packing RPM packages and add a description of the replication plug-in directory

* fixed #2788

…ponents on nodes (#2806)

* delete unnecessary configuration items

* Added instructions for ambari to add and remove Dolphin Schdumer components on nodes

* Added instructions for ambari to add and remove Dolphin Schdumer components on nodes

* add source license full text into source license

* exclude ScriptRunner.java on rat check

* add source license full text into source license

* exclude ScriptRunner.java on rat check

* change notice copyright date from 2019 to 2019-2020

* fix bug: send task result to master until success.

* fix bug: send task result to master until success.

* add sleep

* set null if send result failed

* set null if send result failed

* change max length of username to 39

Co-authored-by: baoliang <baoliang@analysys.com.cn>

 (#2908)

* fix bug: sqoop mysql import params error

* fix bug: sqoop mysql import params error

fix create table sql exception

…css under the common folder

* add mybatis-3 notice in the top-level notice

* fix download resource file that under the directory error

merge method updateuser if and fix bug#2892

…e parameters (#3008)

* Change email to default

* Fix unfiltered jar files in resource directory and UDF upload resource parameters