FROM ubuntu:20.04 ENV DEBIAN_FRONTEND=noninteractive ENV GO_VERSION=1.23.0 ENV APPIMAGE_TOOL_VERSION=13 RUN sed -i 's|http://archive.ubuntu.com|https://archive.ubuntu.com|g' /etc/apt/sources.list && \ sed -i 's|http://security.ubuntu.com|https://security.ubuntu.com|g' /etc/apt/sources.list RUN apt-get update && apt-get install -y \ wget curl git \ gcc g++ \ libgl1-mesa-dev \ libx11-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev \ libxxf86vm-dev \ pkg-config \ fuse libfuse2 \ file \ && rm -rf /var/lib/apt/lists/* # Install Go RUN wget -q https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz \ && tar -C /usr/local -xzf go${GO_VERSION}.linux-amd64.tar.gz \ && rm go${GO_VERSION}.linux-amd64.tar.gz ENV PATH="/usr/local/go/bin:${PATH}" ENV GOPATH="/root/go" # Install linuxdeploy + AppImage plugin RUN wget -q https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage \ && chmod +x linuxdeploy-x86_64.AppImage \ && mv linuxdeploy-x86_64.AppImage /usr/local/bin/linuxdeploy WORKDIR /build