PR #164: Upgrade to Ubuntu 22.04 LTS @master-bob

Upgrade to use hopefully use a later version of ruby by default allowing
for latest bundler to be used. Using 20.04 causes bundler to fail to
install due to Ruby 2.7 being used instead of the required 3.0.

.github/workflows/docker-image.yml

@@ -93,7 +93,7 @@ jobs:
         echo "TAG: $TAG"
 
         # Remove exist images to free disk space
-        docker rmi $(docker image ls -a | grep -vE 'ubuntu.*20\.04|moby/buildkit' | awk 'NR>1 {print $3}')
+        docker rmi $(docker image ls -a | grep -vE 'ubuntu.*22\.04|moby/buildkit' | awk 'NR>1 {print $3}')
         #docker rmi $(docker images | grep -v IMAGE | awk '{print $3}')
         docker images
 

Dockerfile

@@ -36,7 +36,7 @@ ARG JENV_RELEASE="0.5.6"
 #----------~~~~~~~~~~*****
 # build stage: ubunutu
 #----------~~~~~~~~~~*****
-FROM ubuntu:20.04 as ubuntu
+FROM ubuntu:22.04 as ubuntu
 # Ensure ARGs are in this build context
 ARG ANDROID_SDK_TOOLS_VERSION
 ARG NDK_VERSION