Tweaking postgres upgrade script (#2389)

* Tweaking postgres upgrade script

* Removing pointless comments.

scripts/postgres_12_to_14_upgrade.sh

@@ -1,54 +1,45 @@
-##!/bin/sh
+#!/bin/sh
 set -e
 
-## This script upgrades the postgres from version 12 to 14
+echo "Do not stop in the middle of this upgrade, wait until you see the message: Upgrade complete."
 
-## Make sure everything is started
+echo "Make sure postgres is started..."
-sudo docker-compose start
+sudo docker-compose up -d postgres
+sleep 20s
 
-# Export the DB
 echo "Exporting the Database to 12_14.dump.sql ..."
 sudo docker-compose exec -T postgres pg_dumpall -c -U lemmy > 12_14_dump.sql
 echo "Done."
 
-# Stop everything
+echo "Stopping postgres..."
-sudo docker-compose stop
+sudo docker-compose stop postgres
-
+sleep 20s
-sleep 10s
 
-# Delete the folder
 echo "Removing the old postgres folder"
 sudo rm -rf volumes/postgres
 
-# Change the version in your docker-compose.yml
 echo "Updating docker-compose to use postgres version 14."
 sed -i "s/postgres:12-alpine/postgres:14-alpine/" ./docker-compose.yml
 
-# Start up postgres
 echo "Starting up new postgres..."
 sudo docker-compose up -d postgres
-
-# Sleep for a bit so it can start up, build the new folders
 sleep 20s
 
-# Import the DB
 echo "Importing the database...."
 cat 12_14_dump.sql | sudo docker-compose exec -T postgres psql -U lemmy
 echo "Done."
 
 POSTGRES_PASSWORD=$(grep "POSTGRES_PASSWORD" ./docker-compose.yml | cut -d"=" -f2)
 
-# Fix weird password issue with postgres 14
 echo "Fixing a weird password issue with postgres 14"
 sudo docker-compose exec -T postgres psql -U lemmy -c "alter user lemmy with password '$POSTGRES_PASSWORD'"
 sudo docker-compose restart postgres
 
-# Just in case
+echo "Setting correct perms for pictrs folder"
 sudo chown -R 991:991 volumes/pictrs
 
-# Start up the rest of lemmy
+echo "Starting up lemmy..."
-echo "Starting up lemmy"
 sudo docker-compose up -d
 
-# Delete the DB Dump? Probably safe to keep it
 echo "A copy of your old database is at 12_14.dump.sql . You can delete this file if the upgrade went smoothly."
+echo "Upgrade complete."