feat: initial commit

db.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"database/sql"
+	"log"
+	"os"
+
+	_ "github.com/lib/pq"
+)
+
+func initDBConnection() *sql.DB {
+	connStr := os.Getenv("DB_DSN")
+	db, err := sql.Open("postgres", connStr)
+
+	if err != nil {
+		log.Panic("couldn't connect to database", err)
+	}
+
+	return db
+}