Add GitPod support (#573)

Author: k33g

.gitpod.Dockerfile

@@ -0,0 +1,21 @@
+FROM ubuntu:latest
+
+RUN apt-get update && \
+    apt-get install -y apt-utils && \
+    apt install -y openjdk-8-jdk && \
+    apt install -y maven && \
+    apt install -y mercurial && \
+    apt install -y git && \
+    apt-get -y install locales  && \
+    apt-get clean
+
+# Set the locale
+RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
+    locale-gen
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+
+# Set the GOLO_HOME and update the PATH
+RUN echo "export GOLO_HOME=/workspace/golo-lang/build/install/golo" >> ~/.bashrc  && \
+    echo "export PATH=\$PATH:\$GOLO_HOME/bin" >> ~/.bashrc

.gitpod.yml

@@ -0,0 +1,13 @@
+# --- GitPod support for Golo ---
+image:
+  file: .gitpod.Dockerfile
+
+vscode:
+  extensions:
+    - [email protected]:bf6+UXZK3QZrq9URAetOHA==
+    # It's a temporary extension:
+    # The Open VSX Registry is being transitioned to the Eclipse Foundation (December 9)
+    # Once the publishing process established the Golo extension will be published on the Open VSX Registry
+
+tasks:
+  - command: unset JAVA_TOOL_OPTIONS