Updated the Dockerfile

Dockerfile.testing

@@ -1,31 +1,4 @@
-FROM electronuserland/builder:8
-
-# This got copied from https://github.com/electron-userland/electron-builder/blob/master/docker/wine/Dockerfile
-# See https://github.com/electron-userland/electron-builder/issues/2531
-
-RUN apt-get update && apt-get install -y --no-install-recommends software-properties-common && dpkg --add-architecture i386 && curl -L https://dl.winehq.org/wine-builds/Release.key > Release.key && apt-key add Release.key && apt-add-repository https://dl.winehq.org/wine-builds/ubuntu && \
-  apt-get update && \
-  apt-get -y remove software-properties-common libdbus-glib-1-2 python3-dbus python3-gi python3-pycurl python3-software-properties && \
-  apt-get install -y --no-install-recommends winehq-stable && \
-  # Next three lines are copied from https://github.com/electron-userland/electron-builder/blob/master/docker/wine-chrome/Dockerfile
-  wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
-  echo "deb http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google.list && \
-  apt-get update -y && apt-get install -y --no-install-recommends xvfb google-chrome-stable && \
-  # Install display server dependencies (see https://github.com/electron/spectron/issues/144#issuecomment-270778659)
-  apt-get install -y xvfb libxtst6 libxss1 libgtk2.0-0 && \
-  # Install core libraries for chromium driver (see https://github.com/electron/spectron/issues/144#issuecomment-270778659)
-  apt-get install -y libnss3 libasound2 libgconf-2-4 && \
-  # Install a dependency used by keytar
-  apt-get -qq install -y libsecret-1-dev && \
-  # clean
-  apt-get clean && rm -rf /var/lib/apt/lists/* && unlink Release.key
-
-RUN curl -L https://github.com/electron-userland/electron-builder-binaries/releases/download/wine-2.0.3-mac-10.13/wine-home.zip > /tmp/wine-home.zip && unzip /tmp/wine-home.zip -d /root/.wine && unlink /tmp/wine-home.zip
-
-ENV WINEDEBUG -all,err+all
-ENV WINEDLLOVERRIDES winemenubuilder.exe=d
-
-# The next few lines are the only commands special to our Dockerfile
+FROM electronuserland/builder:wine-chrome
 
 ADD package.json /tmp/
 ADD package-lock.json /tmp/

RELEASENOTES.md

@@ -7,4 +7,4 @@
 - None
 
 ## Internals
-- None
+- Fixed the Dockerfile used when testing PRs. ([#1057](https://github.com/realm/realm-studio/pull/1057))

docs/CONTRIBUTING.md

@@ -146,13 +146,3 @@ See the section on [releasing](./RELEASING.md).
 - `npm run check:auto-update-files` runs ./scripts/check-auto-update-files.js to check if the auto updating `latest-*` files are referring to the current version from the package.json and ensuring that it's not referencing any files that won't be available once released.
 - `npm run generate-all-types-realm` runs ./scripts/generate-realm.js to generate a test realm with objects following the schema-exporters all-types schema.
 - `npm run sentry:upload-symbols` downloads electron and uploads symbols to the Sentry error catching service, run this whenever the Electron version is changed.
-- `./scripts/via-nvm.sh` installs node and npm in the version from `.nvmrc` and runs commands with that enabled, ex:
-
-      ./scripts/via-nvm.sh node --version
-
-  outputs
-
-      Found '/Users/kraenhansen/Repositories/realm-studio/.nvmrc' with version <v8.6.0>
-      v8.6.0 is already installed.
-      Now using node v8.6.0 (npm v5.3.0)
-      v8.6.0