Add Firefox base image

.circleci/config.yml

@@ -64,6 +64,18 @@ workflows:
           imageName: docker
           requires:
             - build-docker
+          filters:
+            branches:
+              only: master
+
+      - build-image:
+          name: build-firefox
+          imageName: firefox
+
+      - deploy-image:
+          imageName: firefox
+          requires:
+            - build-firefox
           filters:
             branches:
               only: master

firefox/Dockerfile

@@ -0,0 +1,35 @@
+FROM ubuntu:18.04
+
+LABEL maintainer="Michael Cooper <mcooper@mozilla.com>"
+
+RUN apt-get update
+RUN apt-get install -y \
+        apt-transport-https \
+        ca-certificates \
+        curl \
+        git \
+        gnupg \
+        make \
+        openssh-client \
+        software-properties-common
+
+# Install Firefox dependencies (but not Firefox)
+RUN apt-get install -y $(apt-cache depends firefox | awk '/Depends/ {print $2}')
+
+# Install node
+RUN apt-get install -y nodejs npm
+RUN apt-get install apt-transport-https
+
+# Install Yarn
+RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
+    && echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list \
+    && apt-get update \
+    && apt-get install yarn
+ENV PATH="$PATH:$HOME/.yarn/bin"
+
+# Install Firefox
+RUN yarn global add get-firefox
+RUN cd /opt && get-firefox --check --extract --verbose --branch release && ln -s /opt/firefox/firefox /usr/bin/firefox
+
+# Cleanup
+RUN apt-get clean