# step 1: create a container for i3lock named "i3lock" # docker -D build --no-cache -t i3lock . # # step 2: run bash in the container, e.g. to run i3lock from the command line # docker run -it i3lock bash FROM ubuntu:20.04 WORKDIR /build/i3lock-color ENV DEBIAN_FRONTEND=noninteractive RUN apt-get update \ && apt-get install -y git autoconf gcc make pkg-config libpam0g-dev libcairo2-dev libfontconfig1-dev libxcb-composite0-dev libev-dev libx11-xcb-dev libxcb-xkb-dev libxcb-xinerama0-dev libxcb-randr0-dev libxcb-image0-dev libxcb-util-dev libxcb-xrm-dev libxkbcommon-dev libxkbcommon-x11-dev libjpeg-dev RUN git clone https://github.com/Raymo111/i3lock-color.git /build/i3lock-color RUN ./build.sh CMD ["sleep", "infinity"]