Merge pull request #75 from trjohnson19/trjohnson19/55-postgres-shoul…

…d-not-write-db-to-remote-location

Move `postgres` data dir to `$APPDIR`, add restore comment

backup-scripts/borg-patternfile.example.lst

@@ -308,7 +308,9 @@ R /home/<USER>/docker
 ## Postgres ############################
 ########################################
 + /home/<USER>/docker/appdata/postgres/config
-+ /home/<USER>/docker/appdata/postgres/data
+
+# Backed up via pg_dumpall
+! /home/<USER>/docker/appdata/postgres/data
 
 - /home/<USER>/docker/appdata/postgres/**
 

docker-compose-t2.yml

@@ -798,11 +798,17 @@ services:
   ##     CREATE USER <username> WITH PASSWORD '<password>';
   ##     CREATE DATABASE <dbname> OWNER <username>;
   ##     GRANT ALL PRIVILEGES ON DATABASE <dbname> TO <username>;
+  ##
+  ## Steps for restoring from a backup:
+  ## 1. Place the output of pg_dump in a convenient location, e.g., "${DOCKERDIR}/backup/postgres_dump.sql"
+  ## 2. Start `postgres` with a clean data directory
+  ## 3. Run the following command to recreate the database as specified in the postgres_dump.sql file
+  ##     sudo docker exec -i --user=postgres postgres psql --dbname=postgres < ./backup/postgres_dump.sql
   postgres:
     <<: *common-keys-core
     container_name: postgres
     image: postgres:16
-    # user: "${PUID}:${PGID}"
+    user: "${PUID}:${PGID}"
     networks:
       t2_proxy:
         ipv4_address: $POSTGRES_IPV4
@@ -816,7 +822,7 @@ services:
       timeout: 5s
     volumes:
       - $APPDIR/postgres/config:/config
-      - $DATADIR/postgres/data:/var/lib/postgresql/data
+      - $APPDIR/postgres/data:/var/lib/postgresql/data
     environment:
       <<: *default-tz-puid-pgid
       POSTGRES_USER_FILE: /run/secrets/postgres_user