Updated ubuntu Dockerfile.

Dockerfile

@@ -9,8 +9,7 @@ RUN apt-get update \
     libxkbfile-dev \
     make \
     python3 \
-    build-essential \
-    git
+    build-essential
 
 # Set the working directory
 WORKDIR /home/crossmodel
@@ -32,16 +31,29 @@ RUN yarn --pure-lockfile --skip-integrity-check --network-timeout 100000 && \
     echo *.spec.* >> .yarnclean && \
     yarn autoclean --force && \
     yarn cache clean && \
-    rm -rf .devcontainer .git .github .vscode applications/electron-app docs e2e-tests
+    rm -rf .devcontainer .git .github .vscode applications/electron-app docs e2e-tests examples
 
 # Stage 2: Production stage, using a slim image
 FROM node:20-bookworm-slim AS production-stage
 
 # Create a non-root user with a fixed user id and setup the environment
+# Default workspace is located at /home/project
 RUN adduser --system --group crossmodel && \
     chmod g+rw /home && \
-    mkdir -p /home/crossmodel && \
+    mkdir -p /home/project && \
     chown -R crossmodel:crossmodel /home/crossmodel
+
+# Install required tools for application: Git, SSH, Bash
+# Node is already available in base image
+RUN apt-get install -y git openssh-client openssh-server bash libsecret-1-0 && \
+    apt-get clean
+
+# Copy the mapping example workspace into the project folder.
+COPY examples/mapping-example /home/project
+
+# Set the permission of the project folder.
+RUN chown -R crossmodel:crossmodel /home/project
+
 ENV HOME=/home/crossmodel
 WORKDIR /home/crossmodel
 
@@ -51,6 +63,13 @@ COPY --from=build-stage --chown=crossmodel:crossmodel /home/crossmodel /home/cro
 # Expose the default CrossModel port
 EXPOSE 3000
 
+# Specify default shell for Theia and the Built-In plugins directory
+ENV SHELL=/bin/bash \
+    THEIA_DEFAULT_PLUGINS=local-dir:/home/theia/plugins
+
+# Use installed git instead of dugite
+ENV USE_LOCAL_GIT true
+
 # Use the non-root user
 USER crossmodel
 
@@ -59,4 +78,6 @@ WORKDIR /home/crossmodel/applications/browser-app
 
 # Start the application
 ENTRYPOINT ["node", "/home/crossmodel/applications/browser-app/lib/backend/main.js"]
-CMD ["--hostname=0.0.0.0"]
+
+# Arguments passed to the application
+CMD [ "/home/project", "--hostname=0.0.0.0"]