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+[Koreader Sync Server](https://github.com/koreader/koreader-sync-server) to sync [Koreader](https://github.com/koreader/koreader) devices.
+
+# Volumes
+- `/var/lib/redis/`
+- `/etc/ssl/nginx/:ro`: certificates must be here
+
+# Environment Variables
+## CERT_NAME
+- default: fullchain.pem
+
+Name of the certificate file.
+
+## KEY_NAME
+- default: privkey.pem
+
+Name of the key file.
+
+# Ports
+- 7200
+
+# Capabilities
+- CHOWN
+- DAC_OVERRIDE
+- NET_BIND_SERVICE
+- SETGID
+- SETUID