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Merge pull request #131 from oracle/issue#130-add-docker-sample-that-creates-a-domain
Issue#130 add docker sample that creates a domain
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‎samples/docker-domain/Dockerfile‎

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#Copyright (c) 2014-2018 Oracle and/or its affiliates. All rights reserved.
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#
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#Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
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#
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# ORACLE DOCKERFILES PROJECT
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# --------------------------
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# This Dockerfile extends the Oracle WebLogic image by creating a sample domain.
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#
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# Util scripts are copied into the image enabling users to plug NodeManager
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# automatically into the AdminServer running on another container.
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#
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# HOW TO BUILD THIS IMAGE
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# -----------------------
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# Put all downloaded files in the same directory as this Dockerfile
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# Build the deployment archive file using the build-archive.sh script.
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# $ ./build-archive.sh
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#
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# Run:
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# $ sudo docker build \
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# --build-arg WDT_MODEL=simple-topology.yaml \
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# --build-arg WDT_ARCHIVE=archive.zip \
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# -t 12213-domain-wdt .
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#
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# Pull base image
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# ---------------
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FROM store/oracle/weblogic:12.2.1.3
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# Maintainer
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# ----------
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MAINTAINER Monica Riccelli <monica.riccelli@oracle.com>
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ARG WDT_MODEL
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ARG WDT_ARCHIVE
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# WLS Configuration
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# ---------------------------
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ENV ADMIN_HOST="wlsadmin" \
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NM_PORT="5556" \
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MS_PORT="8001" \
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DEBUG_PORT="8453" \
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ORACLE_HOME=/u01/oracle \
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SCRIPT_FILE=/u01/oracle/createAndStartWLSDomain.sh \
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CONFIG_JVM_ARGS="-Dweblogic.security.SSL.ignoreHostnameVerification=true" \
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PATH=$PATH:/u01/oracle/oracle_common/common/bin:/u01/oracle/wlserver/common/bin:/u01/oracle/user_projects/domains/${DOMAIN_NAME:-base_domain}/bin:/u01/oracle
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# Domain and Server environment variables
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# ------------------------------------------------------------
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ENV DOMAIN_NAME="${DOMAIN_NAME:-base_domain}" \
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PRE_DOMAIN_HOME=/u01/oracle/user_projects \
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ADMIN_PORT="${ADMIN_PORT:-7001}" \
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WDT_MODEL="$WDT_MODEL" \
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WDT_ARCHIVE="$WDT_ARCHIVE"
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# Add files required to build this image
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COPY container-scripts/* /u01/oracle/
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COPY weblogic-deploy.zip /u01
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COPY ${WDT_MODEL} ${ARCHIVE_FILE} /u01/
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#Create directory where domain will be written to
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USER root
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RUN chmod +xw /u01/oracle/*.sh && \
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chmod +xw /u01/oracle/*.py && \
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mkdir -p $PRE_DOMAIN_HOME && \
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mkdir -p $PRE_DOMAIN_HOME/domains && \
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chmod a+xr $PRE_DOMAIN_HOME && \
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chown -R oracle:oracle $PRE_DOMAIN_HOME && \
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cd /u01 && \
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$JAVA_HOME/bin/jar xf /u01/weblogic-deploy.zip && \
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chmod +xw /u01/weblogic-deploy/bin/*.sh && \
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chmod -R +xw /u01/weblogic-deploy/lib/python && \
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if [ -n "$WDT_MODEL" ]; then MODEL_OPT="-model_file /u01/$WDT_MODEL"; fi && \
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if [ -n "$WDT_ARCHIVE" ]; then ARCHIVE_OPT="-archive_file /u01/$WDT_ARCHIVE"; fi && \
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/u01/weblogic-deploy/bin/createDomain.sh \
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-oracle_home $ORACLE_HOME \
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-java_home ${JAVA_HOME} \
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-domain_parent $PRE_DOMAIN_HOME/domains \
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-domain_type WLS \
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-variable_file /u01/oracle/domain.properties \
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$MODEL_OPT \
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$ARCHIVE_OPT && \
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chown -R oracle:oracle $PRE_DOMAIN_HOME
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VOLUME $PRE_DOMAIN_HOME
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# Expose Node Manager default port, and also default for admin and managed server
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EXPOSE $NM_PORT $ADMIN_PORT $MS_PORT $DEBUG_PORT
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USER oracle
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WORKDIR $ORACLE_HOME
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# Define default command to start bash.
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CMD ["/u01/oracle/startWLSDomain.sh"]

‎samples/docker-domain/README.md‎

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Example Image with a WLS Domain
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===============================
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This Dockerfile extends the Oracle WebLogic image by creating a sample WLS 12.2.1.3 domain and cluster. Utility scripts are copied into the image, enabling users to plug Node Manager automatically into the Administration Server running on another container.
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The Dockerfile uses the createDomain script from the Oracle WebLogic Deploy Tooling (WDT) to create the domain from a text-based model file. More information about WDT is available in the README file for the WDT project in GitHub:
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https://github.com/oracle/weblogic-deploy-tooling
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### WDT Model File and Archive
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This sample includes a basic WDT model, simple-topology.yaml, that describes the intended configuration of the domain within the Docker image. WDT models can be created and modified using a text editor, following the format and rule described in the README file for the WDT project in GitHub.
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Another option is to use the WDT discoverDomain tool to create a model. This process is also described in the WDT project's README file. A user can use the tool to analyze an existing domain, and create a model based on its configuration. The user may choose to customize the model before using it to create a new docker image.
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Domain creation may require the deployment of applications and libraries. This is accomplished by creating a zip archive with a specific structure, then referencing those items in the model. This sample creates and deploys a simple ZIP archive containing a small application WAR. That archive is built in the sample directory prior to creating the Docker image.
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When the WDT discoverDomain tool is used on an existing domain, a ZIP archive is created containing any necessary applications and libraries. The corresponding configuration for those applications and libraries is added to the model.
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### How to Build and Run
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**NOTE:** The image is based on a WebLogic image in the Docker store: store/oracle/weblogic:12.2.1.3 . Download this image to your local repository before building the image.
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The WebLogic Deploy Tool installer is required to build this image. Add weblogic-deploy.zip to the sample directory.
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$ wget https://github.com/oracle/weblogic-deploy-tooling/releases/download/weblogic-deploy-tooling-0.11/weblogic-deploy.zip
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This sample deploys a simple one-page web application contained in a .zip archive. This archive needs to be built (one time only) before building the Docker image.
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$ ./build-archive.sh
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To build this sample, run:
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$ docker build \
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--build-arg WDT_MODEL=simple-topology.yaml \
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--build-arg WDT_ARCHIVE=archive.zip \
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-t 12213-domain-wdt .
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This will use the model file and archive in the sample directory.
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To start the containerized Administration Server, run:
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$ docker run -d --name wlsadmin --hostname wlsadmin -p 7001:7001 --env-file ./container-scripts/domain.properties 12213-domain-wdt
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To start a containerized Managed Server (ms-1) to self-register with the Administration Server above, run:
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$ docker run -d --name ms-1 --link wlsadmin:wlsadmin -p 9001:9001 --env-file ./container-scripts/domain.properties -e ADMIN_PASSWORD=<admin_password> -e MS_NAME=ms-1 12213-domain-wdt startManagedServer.sh
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To start an additional Managed Server (in this example ms-2), run:
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$ docker run -d --name ms-2 --link wlsadmin:wlsadmin -p 9002:9001 --env-file ./container-scripts/domain.properties -e ADMIN_PASSWORD=<admin_password> -e MS_NAME=ms-2 12213-domain-wdt startManagedServer.sh
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The above scenario from this sample will give you a WebLogic domain with a dynamic cluster set up on a single host environment.
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You may create more containerized Managed Servers by calling the `docker` command above for `startManagedServer.sh` as long you link properly with the Administration Server. For an example of a multihost environment, see the sample `1221-multihost`.
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# Copyright
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Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved.

‎samples/docker-domain/build-archive.sh‎

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#!/bin/sh
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#
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#Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved.
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#
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#Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
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#
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rm -Rf archive
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mkdir -p archive/wlsdeploy/applications
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cd simple-app
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jar cvf ../archive/wlsdeploy/applications/simple-app.war *
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cd ../archive
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jar cvf ../archive.zip *

‎samples/docker-domain/build.sh‎

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#!/bin/sh
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#
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#Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved.
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#
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#Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
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#
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docker build \
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--build-arg WDT_MODEL=simple-topology.yaml \
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--build-arg WDT_ARCHIVE=archive.zip \
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-t 12213-domain-wdt .
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‎samples/docker-domain/container-scripts/domain.properties‎

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DOMAIN_NAME=my_domain
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ADMIN_PORT=7001
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ADMIN_HOST=wlsadmin
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ADMIN_USER=weblogic

‎samples/docker-domain/container-scripts/startManagedServer.sh‎

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#!/bin/bash
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#
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#Copyright (c) 2014-2018 Oracle and/or its affiliates. All rights reserved.
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#
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#Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
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#
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# Start the Domain.
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#Define DOMAIN_HOME
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export DOMAIN_HOME=/u01/oracle/user_projects/domains/$DOMAIN_NAME
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mkdir -p $DOMAIN_HOME/servers/$MS_NAME/security
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echo username=$ADMIN_USER > $DOMAIN_HOME/servers/$MS_NAME/security/boot.properties
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echo password=$ADMIN_PASSWORD >> $DOMAIN_HOME/servers/$MS_NAME/security/boot.properties
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# Start Managed Server and tail the logs
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${DOMAIN_HOME}/bin/startManagedWebLogic.sh $MS_NAME http://$ADMIN_HOST:$ADMIN_PORT
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touch ${DOMAIN_HOME}/servers/$MS_NAME/logs/${MS_NAME}.log
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tail -f ${DOMAIN_HOME}/servers/$MS_NAME/logs/${MS_NAME}.log &
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childPID=$!
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wait $childPID

‎samples/docker-domain/container-scripts/startWLSDomain.sh‎

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#!/bin/bash
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#
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#Copyright (c) 2014-2018 Oracle and/or its affiliates. All rights reserved.
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#
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#Licensed under the Universal Permissive License v 1.0 as shown at http://oss.oracle.com/licenses/upl.
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#
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# Start the Domain.
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# determine the domain name. there is only one domain directory.
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export DOMAIN_NAME=`ls /u01/oracle/user_projects/domains | head -1`
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#Define DOMAIN_HOME
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export DOMAIN_HOME=/u01/oracle/user_projects/domains/$DOMAIN_NAME
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# Start Admin Server and tail the logs
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${DOMAIN_HOME}/startWebLogic.sh
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touch ${DOMAIN_HOME}/servers/AdminServer/logs/AdminServer.log
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tail -f ${DOMAIN_HOME}/servers/AdminServer/logs/AdminServer.log &
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childPID=$!
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wait $childPID

‎samples/docker-domain/simple-app/WEB-INF/web.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
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<welcome-file-list>
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<welcome-file>/simple.html</welcome-file>
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</welcome-file-list>
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</web-app>

‎samples/docker-domain/simple-app/WEB-INF/weblogic.xml‎

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<?xml version="1.0" encoding="ISO-8859-1"?>
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<weblogic-web-app xmlns="http://www.bea.com/ns/weblogic/90">
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<context-root>/simple</context-root>
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</weblogic-web-app>

‎samples/docker-domain/simple-app/simple.html‎

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<html>
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<head>
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<title>Simple Application</title>
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</head>
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<body>
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<h1>Simple Application</h1>
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<p>This is the simple application.</p>
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</body>
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</html>

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