diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 3ec5b51..e354fa5 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -16,7 +16,7 @@ jobs:
        
     - name: Build
       run: |
-        docker build -t wstunnel -f Dockerfile.old .
+        docker build -t wstunnel .
         docker run --rm -v $(pwd):/data wstunnel /bin/cp wstunnel /data
         ./wstunnel
 
diff --git a/Dockerfile b/Dockerfile
index 347b804..3c97149 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,33 @@
-FROM nixos/nix as builder
+FROM alpine:3.11 as builder
 MAINTAINER github@erebe.eu
 
-RUN nix-channel --add https://nixos.org/channels/nixpkgs-unstable nixpkgs
-RUN nix-channel --update
-RUN nix-env -i bash upx
+RUN apk --no-cache add ca-certificates git ghc curl musl-dev gmp-dev zlib-dev zlib-static pcre-dev xz make upx
+RUN curl -sSL https://github.com/commercialhaskell/stack/releases/download/v2.1.3/stack-2.1.3-linux-x86_64-static.tar.gz | tar xvz && \
+    mv stack*/stack /usr/bin
+
 
-WORKDIR /mnt
 COPY stack.yaml /mnt
 COPY *.cabal /mnt
-COPY default.nix /mnt
+WORKDIR /mnt
+RUN rm -rf ~/.stack &&  \
+    stack config set system-ghc --global true && \
+    stack setup && \
+    stack install --split-objs --ghc-options="-fPIC" --only-dependencies
 
-RUN nix-build --no-link -A fullBuildScript
 COPY . /mnt
-RUN $(nix-build --no-link -A fullBuildScript)
+
+RUN echo '  ld-options: -static' >> wstunnel.cabal ; \
+    stack install --split-objs --ghc-options="-fPIC"
+#RUN upx /root/.local/bin/wstunnel
+
+
+
+FROM alpine:latest as runner
+MAINTAINER github@erebe.eu
+
+WORKDIR /root
+COPY --from=builder /root/.local/bin/wstunnel .
+RUN chmod +x ./wstunnel
+
+CMD ["./wstunnel"]
+
diff --git a/Dockerfile.old b/Dockerfile.old
index 3c97149..347b804 100644
--- a/Dockerfile.old
+++ b/Dockerfile.old
@@ -1,33 +1,15 @@
-FROM alpine:3.11 as builder
+FROM nixos/nix as builder
 MAINTAINER github@erebe.eu
 
-RUN apk --no-cache add ca-certificates git ghc curl musl-dev gmp-dev zlib-dev zlib-static pcre-dev xz make upx
-RUN curl -sSL https://github.com/commercialhaskell/stack/releases/download/v2.1.3/stack-2.1.3-linux-x86_64-static.tar.gz | tar xvz && \
-    mv stack*/stack /usr/bin
-
+RUN nix-channel --add https://nixos.org/channels/nixpkgs-unstable nixpkgs
+RUN nix-channel --update
+RUN nix-env -i bash upx
 
+WORKDIR /mnt
 COPY stack.yaml /mnt
 COPY *.cabal /mnt
-WORKDIR /mnt
-RUN rm -rf ~/.stack &&  \
-    stack config set system-ghc --global true && \
-    stack setup && \
-    stack install --split-objs --ghc-options="-fPIC" --only-dependencies
+COPY default.nix /mnt
 
+RUN nix-build --no-link -A fullBuildScript
 COPY . /mnt
-
-RUN echo '  ld-options: -static' >> wstunnel.cabal ; \
-    stack install --split-objs --ghc-options="-fPIC"
-#RUN upx /root/.local/bin/wstunnel
-
-
-
-FROM alpine:latest as runner
-MAINTAINER github@erebe.eu
-
-WORKDIR /root
-COPY --from=builder /root/.local/bin/wstunnel .
-RUN chmod +x ./wstunnel
-
-CMD ["./wstunnel"]
-
+RUN $(nix-build --no-link -A fullBuildScript)
diff --git a/wstunnel.cabal b/wstunnel.cabal
index a320d3e..4f28db0 100644
--- a/wstunnel.cabal
+++ b/wstunnel.cabal
@@ -32,6 +32,7 @@ library
                      , text >= 1.2.2.1
                      , unordered-containers
                      , websockets >= 0.12.4.0
+                     , iproute
 
   default-language:    Haskell2010