Implementing multistage build Dockerfile

Dockerfile

@@ -1,4 +1,52 @@
-FROM osem/base
+FROM opensuse/leap:15 as base
+
+# Import google packaging key for chrome
+COPY google-packaging.key /tmp
+RUN rpm --import /tmp/google-packaging.key
+
+# Enable/Disable the repositories we need/don't need
+RUN zypper rr openSUSE-Leap-15.0-Non-Oss openSUSE-Leap-15.0-Update-Non-Oss; \
+    zypper ar -f https://download.opensuse.org/repositories/devel:/tools/openSUSE_Leap_15.0/devel:tools.repo; \
+    zypper ar -f http://dl.google.com/linux/chrome/rpm/stable/x86_64 google-chrome; \
+    zypper --gpg-auto-import-keys refresh
+
+# Install our requirements
+RUN zypper -n install --no-recommends \
+    # for compiling assets/gems
+    nodejs8 gcc-c++ git-core make \
+    # for ...
+    ImageMagick \
+    # for bundler
+    sudo \
+    # as databases
+    libmariadb-devel postgresql-devel sqlite3-devel \
+    # for nokogiri
+    libxml2-devel libxslt-devel \
+    # for the interactive shell
+    ack curl wget w3m vim \
+    # for running our tests
+    phantomjs which \
+    # as ruby
+    ruby2.5-devel \
+    # as browser for feature tests
+    google-chrome-stable
+
+# Setup sudo
+RUN echo 'osem ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers
+
+# Disable versioned gem binary names
+RUN echo 'install: --no-format-executable' >> /etc/gemrc
+
+# Install bundler & foreman
+RUN gem install bundler:1.17.3 foreman
+
+# Create our user
+RUN useradd -m --user-group osem
+
+CMD ["/bin/bash", "-l"]
+
+FROM base
+
 ARG CONTAINER_USERID
 
 # Configure our user