6.1.1 docker build fail

[3fong]

FROM ubuntu:16.04
MAINTAINER James Turnbull <james@example.com>
ENV REFRESHED_AT 2016-06-01

RUN apt-get -qq update
RUN apt-get -qq install ruby ruby-dev build-essential nodejs
RUN gem install --no-rdoc --no-ri jekyll -v 2.5.3

VOLUME /data
VOLUME /var/www/html
WORKDIR /data

ENTRYPOINT [ "jekyll", "build", "--destination=/var/www/html" ]

it should be modify the follow file:

FROM ubuntu:16.04
MAINTAINER James Turnbull <james@example.com>
ENV REFRESHED_AT 2016-06-01

RUN apt-get -qq update
RUN apt-get -qq install ruby ruby-dev libffi-dev build-essential nodejs
RUN gem install ffi  jekyll

VOLUME /data
VOLUME /var/www/html
WORKDIR /data

ENTRYPOINT [ "jekyll", "build", "--destination=/var/www/html" ]

the error message is:

Successfully installed sawyer-0.8.1
Successfully installed octokit-4.8.0
Successfully installed jekyll-gist-1.5.0
Successfully installed coffee-script-source-1.11.1
Successfully installed execjs-2.7.0
Successfully installed coffee-script-2.4.1
Successfully installed jekyll-coffeescript-1.1.1
Successfully installed rb-fsevent-0.10.2
Building native extensions.  This could take a while...
ERROR:  Error installing jekyll:
        ERROR: Failed to build gem native extension.

    current directory: /var/lib/gems/2.3.0/gems/ffi-1.9.21/ext/ffi_c
/usr/bin/ruby2.3 -r ./siteconf20180207-5-pvlqbe.rb extconf.rb
checking for ffi.h... no
checking for ffi.h in /usr/local/include,/usr/include/ffi... no
checking for shlwapi.h... no
checking for rb_thread_blocking_region()... no
checking for rb_thread_call_with_gvl()... yes
checking for rb_thread_call_without_gvl()... yes
creating extconf.h
creating Makefile

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /var/lib/gems/2.3.0/extensions/x86_64-linux/2.3.0/ffi-1.9.21/mkmf.log

current directory: /var/lib/gems/2.3.0/gems/ffi-1.9.21/ext/ffi_c
make "DESTDIR=" clean

current directory: /var/lib/gems/2.3.0/gems/ffi-1.9.21/ext/ffi_c
make "DESTDIR="
Running autoreconf for libffi
/var/lib/gems/2.3.0/gems/ffi-1.9.21/ext/ffi_c/libffi/autogen.sh: 2: exec: autoreconf: not found
libffi.mk:6: recipe for target '"/var/lib/gems/2.3.0/gems/ffi-1.9.21/ext/ffi_c/libffi-x86_64-linux-gnu"/.libs/libffi_convenience.a' failed
make: *** ["/var/lib/gems/2.3.0/gems/ffi-1.9.21/ext/ffi_c/libffi-x86_64-linux-gnu"/.libs/libffi_convenience.a] Error 127

make failed, exit code 2