Added Dockerfile

Dockerfile

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+FROM arm64v8/ros:jazzy AS dev
+
+RUN mkdir -p /ros_ws/src/mg_odometry
+
+
+WORKDIR /ros_ws/src
+COPY mg_odometry/package.xml mg_odometry/
+
+
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    . /opt/ros/jazzy/setup.sh && \
+    apt update && \
+    rosdep install --from-paths ./ -i -y && \
+    rm -rf ./mg_odometry
+
+FROM dev AS build
+
+COPY . ./
+
+RUN . /opt/ros/jazzy/setup.sh && colcon build --symlink-install &&\
+	chmod +x entrypoint.sh
+
+CMD ["./entrypoint.sh"]

entrypoint.sh

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+#!/bin/sh
+. ./install/setup.sh 
+ros2 run mg_odometry mg_odom_publisher