GoWeb/database/databaseConnection.go

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package database
import (
"GoWeb/app"
"database/sql"
"fmt"
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_ "github.com/lib/pq"
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"log"
)
// ConnectDB returns a new database connection
func ConnectDB(app *app.App) *sql.DB {
// Set connection parameters from config
postgresConfig := fmt.Sprintf("host=%s port=%s user=%s "+
"password=%s dbname=%s sslmode=disable",
app.Config.Db.Ip, app.Config.Db.Port, app.Config.Db.User, app.Config.Db.Password, app.Config.Db.Name)
// Create connection
db, err := sql.Open("postgres", postgresConfig)
if err != nil {
panic(err)
}
// Test connection
err = db.Ping()
if err != nil {
panic(err)
}
log.Println("Connected to database successfully on " + app.Config.Db.Ip + ":" + app.Config.Db.Port + " using database " + app.Config.Db.Name)
return db
}