diff --git a/Dockerfile b/Dockerfile
index b91435a..9b03eb9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,17 @@
 # ---------- Build stage ----------
-FROM golang:1.22-alpine AS build
+FROM golang:1.24-alpine AS build
 WORKDIR /src
 # optional, aber nett für reproduzierbare Builds:
 ENV CGO_ENABLED=0
 # Falls du private CAs brauchst, sonst weglassen:
 RUN apk add --no-cache ca-certificates
-COPY go.mod ./
-COPY main.go ./
+COPY go.* ./
+RUN go mod download
+COPY . .
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o /out/mirrorweb
 
 # ---------- Runtime stage ----------
-FROM alpine:3.20
+FROM alpine:3.22
 # Für TLS (falls du Traefik mal nicht davor hast) und saubere Zeit:
 RUN apk add --no-cache ca-certificates tzdata && update-ca-certificates
 # Non-root User