added Dockerfile

Dockerfile

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+FROM debian:stable
+
+LABEL Description="vzlogger"
+
+# Dependencies 
+# https://wiki.volkszaehler.org/software/controller/vzlogger/installation_cpp-version
+RUN apt-get update && apt-get -y upgrade 
+RUN apt-get -y install build-essential git-core cmake pkg-config \
+    subversion libcurl4-openssl-dev libgnutls28-dev libsasl2-dev \
+    uuid-dev libtool libssl-dev libgcrypt20-dev libmicrohttpd-dev \
+    libltdl-dev libjson-c-dev libleptonica-dev libmosquitto-dev \
+    libunistring-dev dh-autoreconf sudo
+
+# Build from volkszaehler/vzlogger
+# pass "N" when prompted about adding systemd unit
+RUN mkdir /cfg && cd /tmp && \
+    git clone https://github.com/volkszaehler/vzlogger.git && \
+    cd vzlogger && \
+    echo "N\n" | bash ./install.sh
+
+# Setup volume 
+VOLUME ["/cfg"]
+
+# Run CMD when started
+CMD /usr/local/bin/vzlogger --config /cfg/vzlogger.conf