[Gitpod] update config to use node 14

I find Gitpod is useful for quickly testing some PRs. ATM the node version
used is not compatible with Theia and so the build fails. This commit updates
the config to use node 14.

Also start the electron version of Blueprint when the build is done. It's
accessible from the Ports view (bottom bar) by selecting "open browser"
in line with "port 6080".

Signed-off-by: Marc Dumais <[email protected]>

Author: marcdumais-work

.gitpod.dockerfile

@@ -13,7 +13,7 @@ RUN sudo apt-get update \
     && sudo apt-get install -y libx11-dev libxkbfile-dev \
     && sudo rm -rf /var/lib/apt/lists/*
 
-ENV NODE_VERSION="12.14.1"
+ENV NODE_VERSION="14"
 RUN bash -c ". .nvm/nvm.sh \
     && nvm install $NODE_VERSION \
     && nvm use $NODE_VERSION \

.gitpod.yml

@@ -12,10 +12,10 @@ ports:
   - port: 9339 # Node.js debug port
     onOpen: ignore
 tasks:
-  - init: yarn --network-timeout 100000 && yarn electron package:preview && yarn electron package
+  - init: yarn --network-timeout 100000
     command: >
       jwm &
-      gp open /workspace/theia-blueprint/applications/electron/dist/latest-linux.yml
+      yarn electron start
 
 github:
   prebuilds: