migrated the webserver to go to keep my sanity

closes #12 #2

webserver/db.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+var db *pgxpool.Pool
+
+func connectDB() {
+
+	connStr := os.Getenv("DB_URL")
+	if connStr == "" {
+		panic("DB_URL not set")
+	}
+
+	var err error
+	db, err = pgxpool.New(context.Background(), connStr)
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println("Connected to PostgreSQL (pool)")
+}