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+## Setup of web server
+Two instances of photodiag-web server are hosted on sf-phmon-01.psi.ch virtual machine, both available only from beamline networks/control room:
+- https://sf-photodiag.psi.ch (main server)
+- https://sf-photodiag-test.psi.ch (test server)
+### Server updates
+The service is hosted at https://gitlab.psi.ch/photon-diagnostics/photodiag_web
+- Pushing a commit on the main branch will update the test server
+- Pushing a tagged commit on the main branch will update both the test and prod servers. 
+
+To push a release to the main server
+1. git pull the latest tested and operational version
+1. python make_release.py <patch/minor/major>
+1. git push origin main --tags
+
+The release status can be checked via gitlab CI/CD pipelines
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