Graylog docker image

Includes plugin for SSO and alertmanager.

Assembly:

make

Assembly + push to registry:

make push

You can update the versions in the Makefile:

VERSION := 4.2.12-1
VERSION_SSO := 3.3.0
VERSION_ALERTMANAGER := 1.2.2

Before pushing a new version, check locally:

make test

Remove local containers:

make stop

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