-ENV ISO_FOCAL_AMD64 https://releases.ubuntu.com/20.04.2/ubuntu-20.04.2-live-server-amd64.iso
-ENV ISO_FOCAL_ARM64 https://cdimage.ubuntu.com/releases/20.04/release/ubuntu-20.04.2-live-server-arm64.iso
+ENV ISO_JAMMY_AMD64 https://old-releases.ubuntu.com/releases/22.04.1/ubuntu-22.04.1-live-server-arm64.iso
+ENV ISO_JAMMY_ARM64 https://old-releases.ubuntu.com/releases/22.04.1/ubuntu-22.04.1-live-server-arm64.iso
- && wget $ISO_FOCAL_AMD64 -O /ubuntu-20.04.2-live-server-amd64.iso \
- && wget $ISO_FOCAL_ARM64 -O /ubuntu-20.04.2-live-server-arm64.iso
+ && wget $ISO_JAMMY_AMD64 -O /ubuntu-22.04.1-live-server-amd64.iso \
+ && wget $ISO_JAMMY_ARM64 -O /ubuntu-22.04.1-live-server-arm64.iso
-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/
-COPY --from=ubuntu_focal /ubuntu-20.04.2-live-server-amd64.iso $NGINX_FOCAL_AMD64/ubuntu-20.04.2-live-server-amd64.iso
-COPY --from=ubuntu_focal /ubuntu-20.04.2-live-server-arm64.iso $NGINX_FOCAL_ARM64/ubuntu-20.04.2-live-server-arm64.iso
+COPY --from=ubuntu_jammy /ubuntu-22.04.1-live-server-amd64.iso $NGINX_JAMMY_AMD64/ubuntu-22.04.1-live-server-amd64.iso
+COPY --from=ubuntu_jammy /ubuntu-22.04.1-live-server-arm64.iso $NGINX_JAMMY_ARM64/ubuntu-22.04.1-live-server-arm64.iso