Add full shop application: Go backend, PostgreSQL, Docker, Caddy and admin panel.

internal/database/migrate.go

@@ -0,0 +1,19 @@
+package database
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+func Migrate(ctx context.Context, pool *pgxpool.Pool) error {
+	_, err := pool.Exec(ctx, `
+		CREATE TABLE IF NOT EXISTS admins (
+			id            SERIAL PRIMARY KEY,
+			email         VARCHAR(255) UNIQUE NOT NULL,
+			password_hash VARCHAR(255) NOT NULL,
+			created_at    TIMESTAMPTZ NOT NULL DEFAULT NOW()
+		);
+	`)
+	return err
+}