Try to put the package install after the COPY commands as a workaround for the...

Try to put the package install after the COPY commands as a workaround for the package not being in the final image

Dockerfile

@@ -10,12 +10,12 @@ RUN go get -u github.com/OperatorFoundation/shapeshifter-dispatcher/shapeshifter
 RUN strip $GOPATH/bin/shapeshifter-dispatcher
 
 FROM registry.git.autistici.org/ai3/docker/chaperone-base
-RUN apt-get -q update && env DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-    openvpn netcat-openbsd iptables\
-&& rm -rf /var/lib/apt/lists/*
 
 # needed for buster, but chaperone-base image is still stretch
 #RUN update-alternatives --set iptables /usr/sbin/iptables-legacy
 
 COPY --from=build /go/bin/shapeshifter-dispatcher /usr/local/bin/shapeshifter-dispatcher
 COPY chaperone.d/ /etc/chaperone.d
+RUN apt-get -q update && env DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+    openvpn netcat-openbsd iptables\
+&& rm -rf /var/lib/apt/lists/*
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