Fix #370

20.04 (focal) base image --> sed 4.7.1 even after upgrade
24.04 (jammy) base image --> usher fails to build
22.04 as the base image builds and installs sed 4.8

install/Dockerfile

@@ -1,11 +1,13 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 ENV APT_KEY_DONT_WARN_ON_DANGEROUS_USAGE=DontWarn
 ENV DEBIAN_FRONTEND=noninteractive
 USER root
 RUN apt-get update && apt-get install -yq --no-install-recommends \
     git wget \
     ca-certificates \
     sudo python3 python3-pip
+RUN apt-get upgrade -y sed
+# faSomeRecords and faSize are needed for the UShER WDL workflow 
 WORKDIR /HOME/kentsource
 RUN wget http://hgdownload.soe.ucsc.edu/admin/exe/linux.x86_64/faSomeRecords
 RUN wget http://hgdownload.soe.ucsc.edu/admin/exe/linux.x86_64/faSize
@@ -16,6 +18,5 @@ WORKDIR usher
 ## Checkout latest release
 #RUN git checkout $(git describe --tags `git rev-list --tags --max-count=1`)
 RUN ./install/installUbuntu.sh 
-# faSomeRecords and faSize are needed for the UShER WDL workflow 
 ## set the path
 ENV PATH="/HOME/usher/build:/HOME/kentsource:${PATH}"