feat(immich): add self-hosted photo backup with dedicated postgres

Server x2, machine learning, valkey and VectorChord postgres on local storage, Traefik routes for external and internal access.

immich/.env.example

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+# You can find documentation for all the supported env variables at https://docs.immich.app/install/environment-variables
+
+# The location where your uploaded files are stored. The k8s manifests bind
+# mount /mnt/immich/library, which is the sdc9 partition - the same place, so
+# the two deployment paths look at one library.
+UPLOAD_LOCATION=/mnt/immich/library
+
+# The location where your database files are stored. Network shares are not supported for the database
+DB_DATA_LOCATION=./postgres
+
+# To set a timezone, uncomment the next line and change Etc/UTC to a TZ identifier from this list: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List
+# TZ=Etc/UTC
+
+# The Immich version to use. You can pin this to a specific version like "v2.1.0"
+IMMICH_VERSION=v3
+
+# Connection secret for postgres. You should change it to a random password
+# Please use only the characters `A-Za-z0-9`, without special characters or spaces
+DB_PASSWORD=postgres
+
+# The values below this line do not need to be changed
+###################################################################################
+DB_USERNAME=postgres
+DB_DATABASE_NAME=immich