docker: update default to ubuntu 20.04

Signed-off-by: Fotis Xenakis <[email protected]>
Message-Id: <VI1PR03MB4383C522828428B8D72BCBB3A6BF0@VI1PR03MB4383.eurprd03.prod.outlook.com>

Author: foxeng

docker/Dockerfile.builder

@@ -37,7 +37,7 @@ CMD /bin/bash
 # docker build -t osv/builder-fedora-31 -f Dockerfile.builder .
 #
 # Build the container based of specific Ubuntu version
-# docker build -t osv/builder-ubuntu-19.10 -f Dockerfile.builder --build-arg DIST="ubuntu-19.10" .
+# docker build -t osv/builder-ubuntu-20.04 -f Dockerfile.builder --build-arg DIST="ubuntu-20.04" .
 #
 # Build the container based of specific Fedora version and git repo owner (if forked) example:
 # docker build -t osv/builder-fedora-31 -f Dockerfile.builder --build-arg DIST="fedora-31" --build-arg GIT_ORG_OR_USER=a_user .

docker/Dockerfile.builder-ubuntu-base

@@ -7,7 +7,7 @@
 # This Docker file defines an image based on Ubuntu distribution and provides
 # all packages necessary to build and run kernel and applications.
 #
-ARG DIST_VERSION=19.10
+ARG DIST_VERSION=20.04
 FROM ubuntu:${DIST_VERSION}
 
 ENV DEBIAN_FRONTEND noninteractive

docker/Dockerfile.runner-ubuntu

@@ -8,7 +8,7 @@
 # This Docker file defines a container intended to run and test OSv
 # It comes with capstan that can pull kernel and pre-built MPM packages
 #
-ARG DIST_VERSION=19.10
+ARG DIST_VERSION=20.04
 FROM ubuntu:${DIST_VERSION}
 
 ENV DEBIAN_FRONTEND noninteractive
@@ -46,7 +46,7 @@ CMD /bin/bash
 # docker build -t osv/runner-ubuntu -f Dockerfile.runner-ubuntu .
 #
 # Build the container based of specific Ubuntu version and git repo owner (if forked) example:
-# docker build -t osv/runner-ubuntu -f Dockerfile.runner-ubuntu --build-arg DIST_VERSION=19.10 --build-arg GIT_ORG_OR_USER=a_user .
+# docker build -t osv/runner-ubuntu -f Dockerfile.runner-ubuntu --build-arg DIST_VERSION=20.04 --build-arg GIT_ORG_OR_USER=a_user .
 #
 # Run the container FIRST time example:
 # docker run -it --privileged osv/runner-ubuntu

docker/README.md

@@ -9,7 +9,7 @@ docker build -t osv/builder -f Dockerfile.builder .
 
 Build container image for specific version of linux distribution and git repo owner (if forker)
 ```
-docker build -t osv/builder-ubuntu-19.10 -f Dockerfile.builder --build-arg DIST="ubuntu-19.10" --build-arg GIT_ORG_OR_USER=a_user .
+docker build -t osv/builder-ubuntu-20.04 -f Dockerfile.builder --build-arg DIST="ubuntu-20.04" --build-arg GIT_ORG_OR_USER=a_user .
 ```
 
 Run container