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server.go
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server.go
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package main
import (
"context"
"database/sql"
"fmt"
"log"
"os"
"os/signal"
"github.com/dev-xero/authentication-backend/application"
"github.com/dev-xero/authentication-backend/database"
)
/*
Connects to the PostGreSQL database using the credentials
Params:
- No parameters
Returns:
- A pointer to the SQL database
- An error if the connection failed
*/
func initDatabaseConnection() (*sql.DB, error) {
db, err := database.ConnectDatabase()
if err != nil {
msg := "[FAIL]: unable to connect database"
return nil, fmt.Errorf("%s: %w", msg, err)
}
return db, nil
}
/*
Main is the server entry point
Objectives:
- Initializes a database connection
- Spins up a context channel to handle OS interrupts
- Starts the server
Params:
- No parameters
Returns:
- No return value
*/
func main() {
appDatabase, err := initDatabaseConnection()
if err != nil {
log.Fatal(err)
}
// Setup a context channel to handle OS interrupts
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
defer cancel()
// Initialize the application with the database connection
app := application.New(appDatabase)
// Start the app
app.Start(ctx)
}