Welcome in my Readme file!

1. Deployment requirements: 
- Have a Linux OS
- Have Docker and Docker Compose

2. Application overview :
This is an app using Flash and it's connected to a PostgreSQL database.
The only thing that the app do is show a little text in a web page.

3. Virtual networks and named volumes used 
- Virtual network: my app uses a Docker network who makes the communication between web app and the database possible.
- Named volume: I have one persistent volume "postgres_data" for store the database files so I have the data when the cainer is restarted.

4. Container configuration :
It uses 2 containers:
- The web container (Flash): the exposes port is 5000, and I use my_app_network as network. 
- The database container (PostgreSQL): there are 3 environment variables (user, password and database); a persistent volume (postgres_data) and it uses my_app_network as network.

5. Instructions for the deployment :
-First, need

6. Instructions for accessing the app :