Switch PostgreSQL container to use pgautoupgrade (#4892)

* Switch PostgreSQL container to use pgautoupgrade

This handles automatically upgrading the data files to newer versions of PostgreSQL.

* Fixing other uses of postgres:16-alpine image.

* Simplifying upgrade scripts.

---------

Co-authored-by: Dessalines <tyhou13@gmx.com>

.woodpecker.yml

@@ -306,7 +306,7 @@ steps:
 
 services:
   database:
-    image: postgres:16-alpine
+    image: pgautoupgrade/pgautoupgrade:16-alpine
     environment:
       POSTGRES_USER: lemmy
       POSTGRES_PASSWORD: password

docker/docker-compose.yml

@@ -97,7 +97,7 @@ services:
     logging: *default-logging
 
   postgres:
-    image: postgres:16-alpine
+    image: pgautoupgrade/pgautoupgrade:16-alpine
     # this needs to match the database host in lemmy.hson
     # Tune your settings via
     # https://pgtune.leopard.in.ua/#/

docker/federation/docker-compose.yml

@@ -20,7 +20,7 @@ x-lemmy-default: &lemmy-default
   restart: always
 
 x-postgres-default: &postgres-default
-  image: postgres:16-alpine
+  image: pgautoupgrade/pgautoupgrade:16-alpine
   environment:
     - POSTGRES_USER=lemmy
     - POSTGRES_PASSWORD=password

scripts/postgres_12_to_15_upgrade.sh

@@ -1,48 +1,8 @@
 #!/bin/sh
 set -e
 
-echo "Do not stop in the middle of this upgrade, wait until you see the message: Upgrade complete."
-
-echo "Stopping lemmy and all services..."
-sudo docker-compose stop
-
-echo "Make sure postgres is started..."
-sudo docker-compose up -d postgres
-sleep 20s
-
-echo "Exporting the Database to 12_15.dump.sql ..."
-sudo docker-compose exec -T postgres pg_dumpall -c -U lemmy > 12_15_dump.sql
-echo "Done."
-
-echo "Stopping postgres..."
-sudo docker-compose stop postgres
-sleep 20s
-
-echo "Removing the old postgres folder"
-sudo rm -rf volumes/postgres
-
-echo "Updating docker-compose to use postgres version 15."
-sed -i "s/image: postgres:.*/image: postgres:15-alpine/" ./docker-compose.yml
-
-echo "Starting up new postgres..."
-sudo docker-compose up -d postgres
-sleep 20s
-
-echo "Importing the database...."
-cat 12_15_dump.sql | sudo docker-compose exec -T postgres psql -U lemmy
-echo "Done."
-
-POSTGRES_PASSWORD=$(grep "POSTGRES_PASSWORD" ./docker-compose.yml | cut -d"=" -f2)
-
-echo "Fixing a weird password issue with postgres 15"
-sudo docker-compose exec -T postgres psql -U lemmy -c "alter user lemmy with password '$POSTGRES_PASSWORD'"
-sudo docker-compose restart postgres
-
-echo "Setting correct perms for pictrs folder"
-sudo chown -R 991:991 volumes/pictrs
+echo "Updating docker-compose to use postgres version 16."
+sudo sed -i "s/image: .*postgres:.*/image: pgautoupgrade\/pgautoupgrade:16-alpine/" ./docker-compose.yml
 
 echo "Starting up lemmy..."
 sudo docker-compose up -d
-
-echo "A copy of your old database is at 12_15.dump.sql . You can delete this file if the upgrade went smoothly."
-echo "Upgrade complete."

scripts/postgres_15_to_16_upgrade.sh

@@ -1,42 +1,8 @@
 #!/bin/sh
 set -e
 
-echo "Do not stop in the middle of this upgrade, wait until you see the message: Upgrade complete."
-
-echo "Stopping lemmy and all services..."
-sudo docker compose stop
-
-echo "Make sure postgres is started..."
-sudo docker compose up -d postgres
-echo "Waiting..."
-sleep 20s
-
-echo "Exporting the Database to 15_16.dump.sql ..."
-sudo docker compose exec -T postgres pg_dumpall -c -U lemmy | sudo tee 15_16_dump.sql > /dev/null
-echo "Done."
-
-echo "Stopping postgres..."
-sudo docker compose stop postgres
-echo "Waiting..."
-sleep 20s
-
-echo "Removing the old postgres folder"
-sudo rm -rf volumes/postgres
-
-echo "Updating docker compose to use postgres version 16."
-sudo sed -i "s/image: .*postgres:.*/image: docker.io\/postgres:16-alpine/" ./docker-compose.yml
-
-echo "Starting up new postgres..."
-sudo docker compose up -d postgres
-echo "Waiting..."
-sleep 20s
-
-echo "Importing the database...."
-sudo cat 15_16_dump.sql | sudo docker compose exec -T postgres psql -U lemmy
-echo "Done."
+echo "Updating docker-compose to use postgres version 16."
+sudo sed -i "s/image: .*postgres:.*/image: pgautoupgrade\/pgautoupgrade:16-alpine/" ./docker-compose.yml
 
 echo "Starting up lemmy..."
-sudo docker compose up -d
-
-echo "A copy of your old database is at 15_16.dump.sql . You can delete this file if the upgrade went smoothly."
-echo "Upgrade complete."
+sudo docker-compose up -d