# # Get the base Ubuntu image from Docker Hub # FROM debian:latest # # Update apps on the base image # RUN apt-get -y update && apt-get install -y # # Install the Clang compiler # RUN apt-get -y install clang # # Copy the current folder which contains C++ source code to the Docker image under /usr/src # COPY . /usr/src/dockertest1 # # Specify the working directory # WORKDIR /usr/src/dockertest1 # # Use Clang to compile the Test.cpp source file # RUN clang++ -o Test Test.cpp # # Run the output program from the previous step # CMD ["./Test"]