Fixed the regression introduced in 3.1.0 where a build may fail due to an error from main class inference even if <container><entrypoint> is configured. (#3295)
Fixed the regression introduced in 3.1.0 where a build may fail due to an error from main class inference even if jib.container.entrypoint is configured. (#3295)
Jib now creates an additional layer that contains two small text files: /app/jib-classpath-file and /app/jib-main-class-file. They hold, respectively, the final Java runtime classpath and the main class computed by Jib that are suitable for app execution on JVM. For example, with Java 9+, setting the container entrypoint to java --class-path @/app/jib-classpath-file @/app/jib-main-class-file will work to start the app. (This is basically the default entrypoint set by Jib when the entrypoint is not explicitly configured by the user.) The files are always generated whether Java 8 or 9+, or whether jib.container.entrypoint is explicitly configured. The files can be helpful especially when setting a custom entrypoint for a shell script that needs to get the classpath and the main class computed by Jib, or for AppCDS. (#3280)
For Java 9+ apps, the default Java runtime classpath explicitly lists all the app dependencies, preserving the dependency loading order declared by Maven. This is done by changing the default entrypoint to use the new classpath JVM argument file (basically java -cp @/app/jib-classpath-file). As such, <container><expandClasspathDependencies> takes no effect for Java 9+. (#3280)
Timestamps of file entries in a tarball built with jib:buildTar are set to the epoch, making the tarball reproducible. (#3158)
Jib now creates an additional layer that contains two small text files: /app/jib-classpath-file and /app/jib-main-class-file. They hold, respectively, the final Java runtime classpath and the main class computed by Jib that are suitable for app execution on JVM. For example, with Java 9+, setting the container entrypoint to java --class-path @/app/jib-classpath-file @/app/jib-main-class-file will work to start the app. (This is basically the default entrypoint set by Jib when the entrypoint is not explicitly configured by the user.) The files are always generated whether Java 8 or 9+, or whether jib.container.entrypoint is explicitly configured. The files can be helpful especially when setting a custom entrypoint for a shell script that needs to get the classpath and the main class computed by Jib, or for AppCDS. (#3280)
For Java 9+ apps, the default Java runtime classpath explicitly lists all the app dependencies, preserving the dependency loading order declared by Gradle. This is done by changing the default entrypoint to use the new classpath JVM argument file (basically java -cp @/app/jib-classpath-file). As such, jib.container.expandClasspathDependencies takes no effect for Java 9+. (#3280)
Timestamps of file entries in a tarball built with jibBuildTar are set to the epoch, making the tarball reproducible. (#3158)
Added lazy evaluation for jib.container.labels using Gradle Property and Provider. (#3242)
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Bumps jib-maven-plugin from 3.0.0 to 3.1.1.
Release notes
Sourced from jib-maven-plugin's releases.
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