Dockerfile

# Dapla lab version
ARG VERSION=0.8.0
# Base Image
FROM ubuntu:24.04

# Set non-interactive installation mode
ENV DEBIAN_FRONTEND=noninteractive

# Install dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends python3-xdg x11-xserver-utils \
    x11vnc xvfb unzip wget novnc net-tools openbox && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

COPY ./resources/favicons/*.png /usr/share/novnc/app/images/icons/
COPY ./resources/user-dirs.defaults /etc/xdg/user-dirs.defaults

# Create a user and group for JDemetra+
RUN groupadd -r dapla && useradd -r -g dapla -d /home/dapla -m -s /bin/bash dapla

# Set the home directory as an environment variable
ENV HOME=/home/dapla

# Set permissions
RUN chown -R dapla:dapla /home/dapla /usr/share/novnc

# Switch to the new user
USER dapla

# Set the working directory to the home directory
WORKDIR /home/dapla

# Copy the JDemetra+ app and startup script into the container
COPY --chown=dapla:dapla ./resources/binaries/jdemetra-standalone-*.zip ./
COPY --chown=dapla:dapla ./resources/scripts/startup.sh ./

# Example data for the JDemetra+ app.
COPY --chown=dapla:dapla ./resources/examples/* ./Documents/

# Unzip the JDemetra+ app and remove the archive
RUN unzip jdemetra-standalone-*.zip && rm jdemetra-standalone-*.zip

# Set the DISPLAY environment variable
ENV DISPLAY=:1

# Expose the noVNC port
EXPOSE 6080

# Start the application using the startup script
CMD ["./startup.sh"]