Dockerfile: Switch to Alpine Linux

Author: rajivr

Dockerfile

@@ -1,43 +1,27 @@
-FROM lambdalinux/baseimage-lambda:2017.03-004
-
-CMD ["/sbin/my_init"]
-
-COPY [ \
-  "./docker-extras/etc-sudoers.d-docker", \
-  "/tmp/docker-build/" \
-]
+FROM alpine:3.7
 
 RUN \
-  # yum
-  yum update && \
-  yum install bzip2 && \
-  yum install python27-PyYAML && \
-  yum install python27-mako && \
-  yum install sudo && \
-  yum install tar && \
-  \
-  # setup sudo
-  usermod -a -G wheel ll-user && \
-  cp /tmp/docker-build/etc-sudoers.d-docker /etc/sudoers.d/docker && \
-  chmod 440 /etc/sudoers.d/docker && \
+  # apk
+  apk update && \
+  apk add \
+    curl \
+    vim && \
   \
-  # for python debugging (uncomment when required)
-  # yum install gcc48 && \
-  # yum install python27-devel && \
-  # yum install python27-pip && \
-  # su -l ll-user -c "pip-2.7 install --user ipdb==0.8 ipython==5.3.0" && \
+  # setup ll-user
+  adduser -D -u 500 ll-user && \
+  echo "ll-user    ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers && \
   \
   # install github-release
+  mkdir /tmp/docker-build && \
   curl -L https://github.com/aktau/github-release/releases/download/v0.6.2/linux-amd64-github-release.tar.bz2 -o /tmp/docker-build/linux-amd64-github-release.tar.bz2 && \
-  pushd /tmp/docker-build && \
+  cd /tmp/docker-build && \
   tar xjvf linux-amd64-github-release.tar.bz2 && \
   cp bin/linux/amd64/github-release /usr/bin && \
-  popd && \
+  cd /root && \
+  rm -rf /tmp/docker-build && \
   \
   # cleanup
-  rm -rf /tmp/docker-build && \
-  yum clean all && \
-  rm -rf /var/cache/yum/* && \
+  cd /root && \
   rm -rf /tmp/* && \
-  rm -rf /var/tmp/*
+  rm -f /var/cache/apk/*