FROM ubuntu:22.04 as ubuntu_jammy LABEL Description="ubuntu intermediate image" LABEL Version="2.0" RUN apt update \ && apt install -y wget ENV ISO_FOCAL_AMD64 https://releases.ubuntu.com/20.04.4/ubuntu-20.04.4-live-server-amd64.iso ENV ISO_FOCAL_ARM64 https://cdimage.ubuntu.com/releases/20.04/release/ubuntu-20.04.4-live-server-arm64.iso ENV ISO_JAMMY_AMD64 https://releases.ubuntu.com/22.04/ubuntu-22.04-live-server-amd64.iso ENV ISO_JAMMY_ARM64 https://cdimage.ubuntu.com/releases/22.04/release/ubuntu-22.04-live-server-arm64.iso RUN echo "Preparing ISO Pre-cache" \ && wget $ISO_FOCAL_AMD64 -O /ubuntu-20.04.4-live-server-amd64.iso \ && wget $ISO_FOCAL_ARM64 -O /ubuntu-20.04.4-live-server-arm64.iso \ && wget $ISO_JAMMY_AMD64 -O /ubuntu-22.04-live-server-amd64.iso \ && wget $ISO_JAMMY_ARM64 -O /ubuntu-22.04-live-server-arm64.iso FROM nginx:stable-alpine LABEL Description="nginx service image" LABEL Version="2.0" ENV NGINX_FOCAL_AMD64 /usr/share/nginx/html/ubuntu_focal_amd64/ ENV NGINX_FOCAL_ARM64 /usr/share/nginx/html/ubuntu_focal_arm64/ ENV NGINX_JAMMY_AMD64 /usr/share/nginx/html/ubuntu_jammy_amd64/ ENV NGINX_JAMMY_ARM64 /usr/share/nginx/html/ubuntu_jammy_arm64/ RUN mkdir -p $NGINX_FOCAL_AMD64 \ && mkdir -p $NGINX_FOCAL_ARM64 \ && mkdir -p $NGINX_JAMMY_AMD64 \ && mkdir -p $NGINX_JAMMY_ARM64 COPY --from=ubuntu_jammy /ubuntu-20.04.4-live-server-amd64.iso $NGINX_FOCAL_AMD64/ubuntu-20.04.4-live-server-amd64.iso COPY --from=ubuntu_jammy /ubuntu-20.04.4-live-server-arm64.iso $NGINX_FOCAL_ARM64/ubuntu-20.04.4-live-server-arm64.iso COPY --from=ubuntu_jammy /ubuntu-22.04-live-server-amd64.iso $NGINX_JAMMY_AMD64/ubuntu-22.04-live-server-amd64.iso COPY --from=ubuntu_jammy /ubuntu-22.04-live-server-arm64.iso $NGINX_JAMMY_ARM64/ubuntu-22.04-live-server-arm64.iso COPY html/ /usr/share/nginx/html/