add docker

Dockerfile

@@ -0,0 +1,12 @@
+FROM golang:alpine AS builder
+WORKDIR /app
+COPY . .
+RUN go build -o main .
+
+
+FROM alpine:latest
+WORKDIR /app
+COPY --from=builder /app/main /app/main
+COPY --from=builder /app/templates /app/templates
+EXPOSE 8181
+CMD ["/app/main"]

go.mod

@@ -0,0 +1,3 @@
+module tma
+
+go 1.25.0

main.go

@@ -72,7 +72,7 @@ func main() {
 		http.NotFound(w, r)
 	})
 
-	port := ":8080"
+	port := ":8181"
 	fmt.Printf("Starting Go server on http://localhost%s\n", port)
 	fmt.Printf("Open http://localhost%s in your browser\n", port)
 	fmt.Printf("Serving files directly from templates directory\n")