Restoring a 2017 Redmine backup into Redmine 5.0.2 (Docker)

Update 2026: this setup has since been upgraded to Redmine 6.1 on PostgreSQL 15, and the permission workaround below is no longer needed. See Upgrading a neglected Redmine: PostgreSQL 9.6 → 15 and Redmine 5.0 → 6.1 in Docker.

I had an old Redmine backup from 2017 lying around and wanted it running again on a current system. This is a quick record of how I restored it with the sameersbn Docker images, and the permission problem that kept getting in the way.

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Docker / NGINX Reverse Proxy / Letsencrypt Zusammenspiel

Unter Plesk 12.5 funktioniert die automatische Cert-Generierung ohne Probleme. Nun ist es an der Zeit dies in einer Docker Umgebung zu ermöglichen. Hierfür gibt es von jwilder den berühmten NGINX Reverse Proxy Container. Anbei das Beispiel mit Redmine.

Zuerst wird der Reverse Proxy gestartet.

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