refactor: Update PostgreSQL installer

- Updated PostgreSQL installer to use volume path instead of server path.
- Updated connection string to include user, password, host, and port.
- Updated import statements to use herolib instead of crystallib.
- Updated readme files to reflect changes.

Co-authored-by: mariobeh <mariobassem12@gmail.com>

lib/installers/db/postgresql/postgresql_db.v

@@ -8,15 +8,15 @@ import os
 import net
 
 pub fn (mut server Postgresql) path_config() !pathlib.Path {
-	return pathlib.get_dir(path: '${server.path}/config', create: true)!
+	return pathlib.get_dir(path: '${server.volume_path}/config', create: true)!
 }
 
 pub fn (mut server Postgresql) path_data() !pathlib.Path {
-	return pathlib.get_dir(path: '${server.path}/data', create: true)!
+	return pathlib.get_dir(path: '${server.volume_path}/data', create: true)!
 }
 
 pub fn (mut server Postgresql) path_export() !pathlib.Path {
-	return pathlib.get_dir(path: '${server.path}/exports', create: true)!
+	return pathlib.get_dir(path: '${server.volume_path}/exports', create: true)!
 }
 
 fn is_port_open(host string, port int) bool {
@@ -30,7 +30,7 @@ pub fn (mut server Postgresql) db() !pg.DB {
 		return error('PostgreSQL is not listening on port 5432')
 	}
 
-	conn_string := 'postgresql://root:${server.passwd}@localhost:5432/postgres?connect_timeout=5'
+	conn_string := 'postgresql://${server.user}:${server.password}@${server.host}:${server.port}/postgres?connect_timeout=5'
 	mut db := pg.connect_with_conninfo(conn_string)!
 	// console.print_header("Database connected: ${db}")
 	return db

lib/installers/db/postgresql/postgresql_model.v

@@ -1,7 +1,6 @@
 module postgresql
 
-import freeflowuniverse.crystallib.data.paramsparser
-import os
+import freeflowuniverse.herolib.data.paramsparser
 
 pub const version = '1.14.3'
 const singleton = true
@@ -22,18 +21,19 @@ pub fn heroscript_default() !string {
 
 pub struct Postgresql {
 pub mut:
-	name        string = 'default'
-	user        string = 'postgres'
-	password    string = 'postgres'
-	host        string = 'localhost'
-	volume_path string = '/var/lib/postgresql/data'
-	port        int    = 5432
+	name         string = 'default'
+	user         string = 'postgres'
+	password     string = 'postgres'
+	host         string = 'localhost'
+	volume_path  string = '/var/lib/postgresql/data'
+	port         int    = 5432
+	container_id string
 }
 
 fn cfg_play(p paramsparser.Params) !Postgresql {
 	mut mycfg := Postgresql{
 		name:        p.get_default('name', 'default')!
-		username:    p.get_default('user', 'postgres')!
+		user:        p.get_default('user', 'postgres')!
 		password:    p.get_default('password', 'postgres')!
 		host:        p.get_default('host', 'localhost')!
 		port:        p.get_int_default('port', 5432)!

lib/installers/db/postgresql/readme.md

@@ -8,7 +8,7 @@ To get started
 
 
 
-import freeflowuniverse.crystallib.installers.something. postgresql
+import freeflowuniverse.herolib.installers.something. postgresql
 
 mut installer:= postgresql.get()!