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# Composition
Composition Refactoring
## Docker Build
```sh
$ docker login -u <user> -p <password> <docker_registry>
$ mkdir -p docker/target
$ cp dcaedt_be/target/dcae.war docker/target/dcae.war
$ cd docker
$ docker build --no-cache -t dcaed-be -f Dockerfile .
```
## Environment Configuration
The environment file must include the following new definition under "override_attributes":
``"SDC": {
"BE":{
"fqdn" : "zldcrdm2sdc4cbe01.3f1a87.rdm2.tci.att.com"
}
},``
The environment json file should be injected into the docker by one of the following ways:
1. Place the json file under ```<host>:/data/environments```.
Run the docker with volume:
```--volume /data/environments:/root/chef-solo/environments```
2. Use ``docker cp`` to copy the json file into the docker ```/root/chef-solo/environments```
## Docker Run
```sh
$ docker run -dit -p 8444:8444 --restart="always" --name=dcaed-be \
--env ENVNAME=<environment_name> \
--env JAVA_OPTIONS="-XX:MaxPermSize=256m -Xmx4713m \
-Dconfig.home=\${JETTY_BASE}/config \
-Dlog.home=/opt/logs/be \
-Dlogging.config=\${JETTY_BASE}/config/dcae-be/logback-spring.xml" \
[ --volume /data/environments:/root/chef-solo/environments ] \
dcaed-be:latest \
/bin/sh
```
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