fixed postgress database issues

Author: alesanchezr

.devcontainer/Dockerfile

@@ -1,23 +1,29 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the
-// README at: https://github.com/devcontainers/templates/tree/main/src/postgres
+// README at: https://github.com/devcontainers/templates/tree/main/src/python
 {
-	"name": "Python 3 & PostgreSQL",
-	"dockerComposeFile": "docker-compose.yml",
-	"service": "app",
-	"workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+	"name": "Python 3",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/python:1-3.12-bullseye",
 	"features": {
-		"ghcr.io/robbert229/devcontainer-features/postgresql-client:1": {}
-	}
+		"ghcr.io/itsmechlark/features/postgresql:1": {
+			"version": "16"
+		}
+	},
+
+    "containerEnv": {
+        "PGDATA": "/var/lib/postgresql/data",
+        "PGHOST": "localhost",
+        "PGUSER": "postgres"
+    },
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// This can be used to network with other containers or the host.
-	// "forwardPorts": [5000, 5432],
+	// "forwardPorts": [],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "pip install --user -r requirements.txt",
+	"postCreateCommand": "cp .env.example .env",
 
 	// Configure tool-specific properties.
 	// "customizations": {},

.devcontainer/devcontainer.json

@@ -12,8 +12,9 @@ $ psql --version
 
 A continuación, revisa el contenido del archivo `./.env` y sigue los pasos que se describen a continuación:
 
-1. Crea una nueva base de datos dentro del motor de Postgres personalizando y ejecutando el siguiente comando: `$ createdb -h localhost -U <username> <db_name>`
-2. Conéctate al motor de Postgres para utilizar tu base de datos, manipular tablas y datos:  `$ psql -h localhost -U <username> <db_name>`
+1. Crea un usuario nuevo para conectarte a tu base de datos: `$ psql -U postgres -c \"CREATE USER gitpod;\"`
+2. Crea una nueva base de datos dentro del motor de Postgres personalizando y ejecutando el siguiente comando: `$ psql -U postgres -c \"CREATE DATABASE sample-db OWNER gitpod;\"`
+3. Conéctate al motor de Postgres para utilizar tu base de datos, manipular tablas y datos:  `$ psql -h localhost -U <username> <db_name>`
 
 > NOTA: Recuerda revisar la información del fichero `./.env` para obtener el `username` y el `db_name`.
 

.devcontainer/docker-compose.yml

@@ -12,8 +12,9 @@ $ psql --version
 
 Now, review the contents of the `./.env` file and follow the steps described below:
 
-1. Create a new database within the Postgres engine by customizing and executing the following command: `$ createdb -h localhost -U <username> <db_name>`
-2. Connect to the Postgres engine to use your database, manipulate tables and data: `$ psql -h localhost -U <username> <db_name>`
+1. Create a new user to connect to your database: `psql -U postgres -c \"CREATE USER gitpod;\"`
+2. Create a new database within the Postgres engine by customizing and executing the following command: `psql -U postgres -c \"CREATE DATABASE sample-db OWNER gitpod;\"`
+3. Connect to the Postgres engine to use your database, manipulate tables and data: `$ psql -h localhost -U <username> <db_name>`
 
 > NOTE: Remember to check the `./.env` file information to get the `username` and `db_name`.