Example BitBucket Pipeline YML file for Maven Projects

bitbucket-pipelines.yml

image: atlassian/default-image:2

pipelines:
  branches:
    master:  # Trigger this for any pushes to the master branch.
      - step:
          name: Build and Deploy Snapshot Artifact
          trigger: automatic
          caches:
            - maven # Cache any dependencies we download, speeds up build times.
          script:
            - bash create-settings.sh # Create our settings.xml file.  Will fail if environment variables aren't set properly.
            - mvn -B verify # Ensure all artifacts build successfully before we attempt deploy in order to prevent partial deploys.
            - mvn -B -s settings.xml deploy # Now that all builds have completed, we can deploy all the artifacts.
      - step:
          name: Create Release Version # This will create a release version and commit it to master.  It will then be picked up and deployed in the first step.
          trigger: manual
          caches:
            - maven
          script:
            - bash create-settings.sh # Create our settings.xml file.  Will fail if environment variables aren't set properly.
            - bash validate-release-configuration.sh  # Do the best we can to ensure we have the SSH keys and env variables in place before we try to prepare a release.
            - git config --global user.email "$GIT_USER_EMAIL"
            - git config --global user.name "$GIT_USER_NAME"
            - mvn -B -DdryRun=true release:prepare # Ensure that most things will run properly before we do the real work.
            - mvn -B release:clean release:prepare # This bumps the versions in the poms, creates new commits, which will then get built by the master branch trigger.