Adding Dockerfile for CI/CD

docker/testing/Dockerfile

@@ -0,0 +1,62 @@
+FROM ubuntu:20.04
+
+# Standard updating and installing required packages
+RUN apt-get update -y && \
+    apt-get install -y \
+    build-essential \
+    git \
+    curl \
+    wget \
+    python3 \
+    python3-pip \
+    sudo \
+    software-properties-common \
+    locales \
+    tzdata \
+    xorg \
+    neovim \
+    vim && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Locale setup
+RUN locale-gen en_US en_US.UTF-8 && \
+    update-locale LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8
+
+ENV LANG=en_US.UTF-8
+
+# ROS2 Installation
+RUN curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key | sudo tee /usr/share/keyrings/ros-archive-keyring.gpg && \
+    echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/ros2.list && \
+    apt-get update -y && \
+    apt-get upgrade -y && \
+    apt-get install -y ros-foxy-desktop python3-argcomplete ros-dev-tools ros-foxy-gazebo-ros-pkgs
+
+# Gazebo environment setup
+RUN echo "export GAZEBO_IP=127.0.0.1" >> /etc/bash.bashrc && \
+    echo "export DISPLAY=\$(cat /etc/resolv.conf | grep nameserver | awk '{print \$2}'):0" >> /etc/bash.bashrc && \
+    echo "export LIBGL_ALWAYS_INDIRECT=0" >> /etc/bash.bashrc
+
+# Creating a user
+RUN useradd -m software && \
+    usermod -aG sudo software && \
+    echo 'software ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers.d/software && \
+    echo 'software:password' | chpasswd
+
+USER software
+WORKDIR /home/software
+
+# ROS2 environment setup for the user
+RUN echo "source /opt/ros/foxy/setup.bash" >> ~/.bashrc
+
+# Custom messages for the user
+RUN echo "echo 'Hello, welcome to Ubuntu 20.04 with ROS2 installed'" >> ~/.bashrc && \
+    echo "echo 'Hashaam Zafar - 2023'" >> ~/.bashrc && \
+    echo "echo 'Contact [email protected] for any questions.'" >> ~/.bashrc
+
+# Source ROS2 setup.bash at the end
+ENTRYPOINT ["/bin/bash", "-c", "source /opt/ros/foxy/setup.bash && exec bash"]
+
+# Expose ports if needed for ROS2
+EXPOSE 11311
+