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Setup git, maven (~.m2/settings.xml), java, python, (npm, bower), docker and one or both Eclipse and IntelliJ IDEs and optionally Sourcetree
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This is a root reactor pom.xml that can be used to build all or parts of onap
Some repos like dcae-inventory will require docker installed to build the images.
for speed build with all 5 repos in (~.m2/settings.xml) and the maven options below
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