chore: add Dockerfile

Dockerfile

@@ -0,0 +1,23 @@
+FROM ubuntu:trusty
+
+RUN apt-get -y -qq update && \
+    apt-get -y -qq install build-essential devscripts equivs
+
+COPY . /build/blackhole
+RUN cd /build/blackhole && \
+    DEBIAN_FRONTEND=noninteractive mk-build-deps -ir -t "apt-get -qq --no-install-recommends"
+RUN cd /build/blackhole && \
+    yes | debuild -e CC -e CXX -uc -us -j$(cat /proc/cpuinfo | fgrep -c processor) && \
+    debi
+
+# Test.
+RUN cd /tmp && mkdir build && cd build && \
+    cmake -DENABLE_TESTING=ON /build/blackhole && make && \
+    ./blackhole-tests
+
+# Cleanup
+RUN DEBIAN_FRONTEND=noninteractive apt-get -qq purge blackhole-build-deps && \
+    DEBIAN_FRONTEND=noninteractive apt-get -qq purge build-essential devscripts equivs && \
+    DEBIAN_FRONTEND=noninteractive apt-get -qq autoremove --purge && \
+    rm -rf build && \
+    rm -rf /tmp