Dockerized masscan

Dockerfile

FROM alpine
LABEL maintainer "contact@ilyaglotov.com"

RUN apk update \
  && apk add --no-cache libcap \
                        libpcap-dev \
                        \
  && apk add --no-cache --virtual .deps build-base \
                                        git \
                                        linux-headers \
                                        \
  && git clone --branch=master \
               --depth=1 \
               https://github.com/robertdavidgraham/masscan.git \
  && cd masscan \
  && make \
  \
  && apk del .deps \
  && rm -rf /var/cache/apk/*

RUN adduser -D scan \
  && setcap cap_net_raw=eip /masscan/bin/masscan

USER scan

ENTRYPOINT ["/masscan/bin/masscan"]