diff --git a/backend/.env.example b/backend/.env.example
index 6c57527..ef1a877 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -22,10 +22,10 @@ LOG_DEPRECATIONS_CHANNEL=null
 LOG_LEVEL=debug
 
 DB_CONNECTION=pgsql
-DB_HOST=127.0.0.1
+DB_HOST="${PGHOST}"
 DB_PORT=5432
-DB_DATABASE=backend
-DB_USERNAME=root
+DB_DATABASE=postgres
+DB_USERNAME=postgres
 DB_PASSWORD=
 
 SESSION_DRIVER=database
diff --git a/flake.nix b/flake.nix
index 945ae9d..2eae39d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,13 +30,11 @@
             export PGDATA="$REPO_ROOT/.postgres"
             export PGHOST="$PGDATA"
             export PGUSER="postgres"
-            export PGDATABASE="rabbigerzi"
 
             if [ ! -d "$PGDATA" ]; then
               echo "[pg] initializing cluster at $PGDATA"
               initdb --auth=trust --username=postgres --no-locale --encoding=UTF8 >/dev/null
               {
-                echo "listen_addresses = '127.0.0.1'"
                 echo "unix_socket_directories = '$PGDATA'"
               } >> "$PGDATA/postgresql.conf"
             fi
diff --git a/process-compose.yml b/process-compose.yml
index 4fcfb4e..ec7c7dc 100644
--- a/process-compose.yml
+++ b/process-compose.yml
@@ -2,12 +2,12 @@ version: "0.5"
 
 processes:
   postgres:
-    command: postgres -D "$PGDATA" -k "$PGDATA" -c listen_addresses=127.0.0.1
+    command: postgres -D "$PGDATA" -k "$PGDATA" -c listen_addresses=
     shutdown:
       signal: 2
     readiness_probe:
       exec:
-        command: pg_isready -h "$PGDATA"
+        command: pg_isready -h "$PGDATA" -d postgres -U postgres
       initial_delay_seconds: 1
       period_seconds: 2