fix: Fix PostgreSQL initdb and config symlinks

- Explicitly set the data directory using `--pgdata` in `pg_ctl initdb` commands.

Author: hunleyd

ansible/tasks/setup-postgres.yml

@@ -265,7 +265,7 @@
   become: true
   become_user: 'postgres'
   ansible.builtin.command:
-    cmd: /usr/lib/postgresql/bin/pg_ctl -D /var/lib/postgresql/data initdb -o "--allow-group-access" -o "--username=supabase_admin"
+    cmd: /usr/lib/postgresql/bin/pg_ctl -D /var/lib/postgresql/data initdb -o "--allow-group-access" -o "--username=supabase_admin" -o "--pgdata /var/lib/postgresql/data"
   vars:
     ansible_command_timeout: 60
   when:
@@ -293,7 +293,7 @@
       become: true
       become_user: 'postgres'
       ansible.builtin.command:
-        cmd: /usr/lib/postgresql/bin/pg_ctl -D /var/lib/postgresql/data initdb -o "--allow-group-access" -o "--username=supabase_admin"
+        cmd: /usr/lib/postgresql/bin/pg_ctl -D /var/lib/postgresql/data initdb -o "--allow-group-access" -o "--username=supabase_admin" -o "--pgdata /var/lib/postgresql/data"
       environment:
         LANG: en_US.UTF-8
         LANGUAGE: en_US.UTF-8
@@ -310,7 +310,7 @@
       become: true
       become_user: 'postgres'
       ansible.builtin.command:
-        cmd: /usr/lib/postgresql/bin/pg_ctl -D /var/lib/postgresql/data initdb -o "--allow-group-access" -o "--username=supabase_admin" -o "--locale-provider=icu" -o "--encoding=UTF-8" -o "--icu-locale=en_US.UTF-8"
+        cmd: /usr/lib/postgresql/bin/pg_ctl -D /var/lib/postgresql/data initdb -o "--allow-group-access" -o "--username=supabase_admin" -o "--locale-provider=icu" -o "--encoding=UTF-8" -o "--icu-locale=en_US.UTF-8" -o "--pgdata /var/lib/postgresql/data"
       environment:
         LANG: en_US.UTF-8
         LANGUAGE: en_US.UTF-8
@@ -322,19 +322,6 @@
       when:
         - (is_psql_oriole or is_psql_17)
 
-- name: Symlink the conf files in PGDATA to the actually-in-use conf files
-  ansible.builtin.file:
-    force: true
-    path: /var/lib/postgresql/data/{{ conf_item }}
-    src: /etc/postgresql/{{ conf_item }}
-    state: link
-  loop:
-    - pg_hba.conf
-    - pg_ident.conf
-    - postgresql.conf
-  loop_control:
-    loop_var: conf_item
-
 - name: copy PG and optimizations systemd units
   ansible.builtin.template:
     dest: "/etc/systemd/system/{{ systemd_svc_item | basename }}"
@@ -358,6 +345,19 @@
     - stage2_nix
     - qemu_mode is defined
 
+- name: Symlink the conf files in PGDATA to the actually-in-use conf files
+  ansible.builtin.file:
+    force: true
+    path: /var/lib/postgresql/data/{{ conf_item }}
+    src: /etc/postgresql/{{ conf_item }}
+    state: link
+  loop:
+    - pg_hba.conf
+    - pg_ident.conf
+    - postgresql.conf
+  loop_control:
+    loop_var: conf_item
+
 - name: Restart Postgres Database without Systemd
   become: true
   become_user: 'postgres'