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@@ -60,6 +60,14 @@ RUN java -jar "$JETTY_HOME/start.jar" --add-to-startd=jmx,stats
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Modules may be configured in a `Dockerfile` by editing the properties in the corresponding `/var/lib/jetty/start.d/*.mod` file or the module can be deactivated by removing that file.
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+### JVM Configuration
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+
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+JVM options can be set by passing the `JAVA_OPTIONS` environment variable to the container. For example, to set the maximum heap size to 1 gigabyte, you can run the container as follows:
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+
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+```console
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+$ docker run -e JAVA_OPTIONS="-Xmx1g" -d %%REPO%%
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+```
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+
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## Read-only container
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To run `%%REPO%%` as a read-only container, have Docker create the `/tmp/jetty` and `/run/jetty` directories as volumes:
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