198 lines
7.1 KiB
Markdown
198 lines
7.1 KiB
Markdown
# Docker Image Example
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This is an example on how you could create your own Docker Image For Apache
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ActiveMQ Artemis based on CentOS or Ubuntu (Eclipse Temurin JDK images).
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# Preparing
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Use the script ./prepare-docker.sh as it will copy the docker files under the
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binary distribution.
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Below is shown the command to prepare the build of the Docker Image starting
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from the local distribution (from the source codes of ActiveMQ Artemis)
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```
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# Prepare for build the Docker Image from the local distribution. Replace the
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# {local-distribution-directory} with your directory.
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$ ./prepare-docker.sh --from-local-dist --local-dist-path {local-distribution-directory}
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```
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The output of the previous command is shown below.
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```
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$ ./prepare-docker.sh --from-local-dist --local-dist-path ../artemis-distribution/target/apache-artemis-2.17.0-SNAPSHOT-bin/apache-artemis-2.17.0-SNAPSHOT
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Using ../artemis-distribution/target/apache-artemis-2.17.0-SNAPSHOT-bin/apache-artemis-2.17.0-SNAPSHOT
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Cleaning up ../artemis-distribution/target/apache-artemis-2.17.0-SNAPSHOT-bin/apache-artemis-2.17.0-SNAPSHOT/docker
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Docker file support files at:
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../artemis-distribution/target/apache-artemis-2.17.0-SNAPSHOT-bin/apache-artemis-2.17.0-SNAPSHOT/docker
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├── Dockerfile-centos7-11
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├── Dockerfile-ubuntu-11
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├── Dockerfile-ubuntu-11-jre
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└── docker-run.sh
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0 directories, 4 files
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Well done! Now you can continue with building the Docker image:
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# Go to ../artemis-distribution/target/apache-artemis-2.17.0-SNAPSHOT-bin/apache-artemis-2.17.0-SNAPSHOT
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$ cd ../artemis-distribution/target/apache-artemis-2.17.0-SNAPSHOT-bin/apache-artemis-2.17.0-SNAPSHOT
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# For CentOS with full JDK
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$ docker build -f ./docker/Dockerfile-centos7-11 -t artemis-centos .
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# For Ubuntu with full JDK
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$ docker build -f ./docker/Dockerfile-ubuntu-11 -t artemis-ubuntu .
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# For Ubuntu with just JRE
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$ docker build -f ./docker/Dockerfile-ubuntu-11-jre -t artemis-ubuntu .
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# For Ubuntu on Linux ARMv7/ARM64 with full JDK
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$ docker buildx build --platform linux/arm64,linux/arm/v7 --push -t {your-repository}/apache-artemis:2.17.0-SNAPSHOT -f ./docker/Dockerfile-ubuntu-11 .
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Note: -t artemis-centos and -t artemis-ubuntu are just tag names for the purpose of this guide
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For more info see readme.md.
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```
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The command to prepare the build of the Docker Image starting from the official
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release of ActiveMQ Artemis is shown below
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```
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# Prepare for build the Docker Image from the release version. Replace the
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# {release-version} with the version that you want
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$ ./prepare-docker.sh --from-release --artemis-version {release-version}
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```
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The output of the previous command is shown below.
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```
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$ ./prepare-docker.sh --from-release --artemis-version 2.16.0
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Creating _TMP_/artemis/2.16.0
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Downloading apache-artemis-2.16.0-bin.tar.gz from https://downloads.apache.org/activemq/activemq-artemis/2.16.0/...
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################################################################################################################################################################################################################################ 100,0%
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Expanding _TMP_/artemis/2.16.0/apache-artemis-2.16.0-bin.tar.gz...
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Removing _TMP_/artemis/2.16.0/apache-artemis-2.16.0-bin.tar.gz...
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Docker file support files at:
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_TMP_/artemis/2.16.0/docker
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├── Dockerfile-centos7-11
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├── Dockerfile-ubuntu-11
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├── Dockerfile-ubuntu-11-jre
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└── docker-run.sh
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0 directories, 4 files
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Well done! Now you can continue with building the Docker image:
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# Go to _TMP_/artemis/2.16.0
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$ cd _TMP_/artemis/2.16.0
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# For CentOS with full JDK
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$ docker build -f ./docker/Dockerfile-centos7-11 -t artemis-centos .
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# For Ubuntu with full JDK
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$ docker build -f ./docker/Dockerfile-ubuntu-11 -t artemis-ubuntu .
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# For Ubuntu with just JRE
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$ docker build -f ./docker/Dockerfile-ubuntu-11-jre -t artemis-ubuntu .
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# For Ubuntu on Linux ARMv7/ARM64 with full JDK
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$ docker buildx build --platform linux/arm64,linux/arm/v7 --push -t {your-repository}/apache-artemis:2.16.0 -f ./docker/Dockerfile-ubuntu-11 .
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Note: -t artemis-centos and -t artemis-ubuntu are just tag names for the purpose of this guide
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For more info read the readme.md
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```
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# Building
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Go to `$ARTEMIS_DIST` where you prepared the binary with Docker files.
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## For CentOS
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From within the `$ARTEMIS_DIST` folder:
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```
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$ docker build -f ./docker/Dockerfile-centos7-11 -t artemis-centos .
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```
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## For Ubuntu
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From within the `$ARTEMIS_DIST` folder:
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```
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$ docker build -f ./docker/Dockerfile-ubuntu-11 -t artemis-ubuntu .
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```
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## Smaller Ubuntu image with just JRE
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From within the `$ARTEMIS_DIST` folder:
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```
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$ docker build -f ./docker/Dockerfile-ubuntu-11-jre -t artemis-ubuntu .
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```
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# For Ubuntu (Build for linux ARMv7/ARM64)
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```
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$ docker buildx build --platform linux/arm64,linux/arm/v7 --push -t {your-repository}/apache-artemis:2.17.0-SNAPSHOT -f ./docker/Dockerfile-ubuntu-11 .
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```
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**Note:**
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`-t artemis-centos` and `-t artemis-ubuntu` are just tag names for the purpose of this guide
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# Environment Variables
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Environment variables determine the options sent to `artemis create` on first execution of the Docker
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container. The available options are:
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**`ARTEMIS_USER`**
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The administrator username. The default is `artemis`.
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**`ARTEMIS_PASSWORD`**
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The administrator password. The default is `artemis`.
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**`ANONYMOUS_LOGIN`**
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Set to `true` to allow anonymous logins. The default is `false`.
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**`EXTRA_ARGS`**
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Additional arguments sent to the `artemis create` command. The default is `--http-host 0.0.0.0 --relax-jolokia`.
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Setting this value will override the default. See the documentation on `artemis create` for available options.
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**Final broker creation command:**
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The combination of the above environment variables results in the `docker-run.sh` script calling
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the following command to create the broker instance the first time the Docker container runs:
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${ARTEMIS_HOME}/bin/artemis create --user ${ARTEMIS_USER} --password ${ARTEMIS_PASSWORD} --silent ${LOGIN_OPTION} ${EXTRA_ARGS}
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Note: `LOGIN_OPTION` is either `--allow-anonymous` or `--require-login` depending on the value of `ANONYMOUS_LOGIN`.
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# Mapping point
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- `/var/lib/artemis-instance`
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It's possible to map a folder as the instance broker.
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This will hold the configuration and the data of the running broker. This is useful for when you want the data persisted outside of a container.
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# Lifecycle of the execution
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A broker instance will be created during the execution of the instance. If you pass a mapped folder for `/var/lib/artemis-instance` an image will be created or reused depending on the contents of the folder.
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## Running a CentOS image
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The image just created in the previous step allows both stateless or stateful runs.
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The stateless run is achieved by:
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```
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$ docker run --rm -it -p 61616:61616 -p 8161:8161 artemis-centos
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```
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The image will also support mapped folders and mapped ports. To run the image with the instance persisted on the host:
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```
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docker run -it -p 61616:61616 -p 8161:8161 -v <broker folder on host>:/var/lib/artemis-instance artemis-centos
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```
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where `<broker folder on host>` is a folder where the broker instance is supposed to
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be saved and reused on each run.
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