FIX: bump dev image to postgresql 15

Author: mwaniki-wairungu

.gitignore

@@ -13,6 +13,7 @@ image/squash.tar
 image/nsenter/nsenter
 image/docker-squash
 image/docker-squash.tar.gz
+image/discourse_dev/install-rust
 image/discourse_dev/postgres.template.yml
 image/discourse_dev/redis.template.yml
 .gc-state/*

image/README.md

@@ -4,7 +4,7 @@
 
 To build a new image, just run `ruby auto_build.rb image-name`. The build process will build a local image with a predefined tag.
 
-Images and tag names are defined [here](https://github.com/discourse/discourse_docker/blob/master/image/auto_build.rb#L6-L11).
+Images and tag names are defined [here](https://github.com/discourse/discourse_docker/blob/main/image/auto_build.rb#L6-L88).
 
 > **A note about --squash**: By default we squash the images we serve on Docker Hub. You will need to [enable experimental features](https://github.com/docker/docker-ce/blob/master/components/cli/experimental/README.md) on your Docker daemon for that.
 

image/discourse_dev/postgres_dev.template.yml

@@ -1,20 +1,20 @@
 run:
 
   - replace:
-      filename: "/etc/postgresql/13/main/postgresql.conf"
-      from: /#?fullpage_writes *=.*/
-      to: "fullpage_writes = off"
+      filename: "/etc/postgresql/15/main/postgresql.conf"
+      from: /#?full_page_writes *=.*/
+      to: "full_page_writes = off"
 
   - replace:
-      filename: "/etc/postgresql/13/main/postgresql.conf"
+      filename: "/etc/postgresql/15/main/postgresql.conf"
       from: /#?fsync *=.*/
       to: "fsync = off"
 
   - exec:
       background: true
       # use fast shutdown for pg
       stop_signal: INT
-      cmd: HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/13/bin/postmaster -D /etc/postgresql/13/main
+      cmd: HOME=/var/lib/postgresql USER=postgres exec chpst -u postgres:postgres:ssl-cert -U postgres:postgres:ssl-cert /usr/lib/postgresql/15/bin/postmaster -D /etc/postgresql/15/main
 
   - exec:
       background: true