Start on a modern ZNC dockerfile

net/znc/Dockerfile

@@ -0,0 +1,30 @@
+FROM flitter/init
+
+RUN apt-get update &&\
+    apt-get install -y \
+      libssl-dev \
+      libperl-dev \
+      libicu-dev \
+      pkg-config \
+      tcl8.5-dev \
+      libsasl2-dev \
+      build-essential \
+      g++ \
+      python3-dev &&\
+    useradd --create-home znc
+
+USER znc
+WORKDIR /home/znc
+
+ENV ZNC_VERSION 1.6.1
+
+RUN mkdir src &&\
+    cd src &&\
+    wget http://znc.in/releases/znc-1.6.1.tar.gz &&\
+    tar xf znc-1.6.1.tar.gz &&\
+    cd znc-1.6.1 &&\
+    ./configure --enable-python --prefix /home/znc/run &&\
+    make -j4 &&\
+    make install
+
+