Add Dockerfile, merge in JoeDog#42

Author: jstarcher

Dockerfile

@@ -0,0 +1,29 @@
+FROM alpine:3.5
+
+ENV SIEGE_VERSION v4.0.3rc3
+
+RUN apk add --no-cache --virtual .build-dep \
+         autoconf \
+         automake \
+         curl \
+         file \
+         gcc \
+         libc-dev \
+         libtool \
+         make \
+         perl \
+    && curl -fSL https://github.com/JoeDog/siege/archive/$SIEGE_VERSION.tar.gz -o siege.tar.gz \
+    && mkdir -p /usr/src \
+    && tar -zxC /usr/src -f siege.tar.gz \
+    && rm siege.tar.gz \
+    && cd /usr/src/siege-${SIEGE_VERSION:1} \
+    && utils/bootstrap \
+    && ./configure \
+    && make \
+    && make install \
+    && rm -rf /usr/src/siege-$SIEGE_VERSION \
+    && apk del .build-deps
+
+ENTRYPOINT ["siege"]
+CMD ["--help"]
+