[ .... ] Docker container not found or out of date 
[ .... ] Building a Docker container 
STEP 1/12: FROM ubuntu:20.04
STEP 2/12: ARG DEBIAN_FRONTEND=noninteractive
--> Using cache 941bdcb0c8b55898dc70a705784cec9ad956aa049b17d13f54eb203bb83d93d9
--> 941bdcb0c8b
STEP 3/12: RUN apt-get update     && apt-get install -y --no-install-recommends        gnupg        gnupg1        gpgv1     && rm -rf /var/lib/apt/lists/*
--> Using cache 71c55de581ae7bd27332a4faf2d6b44fcdf721ac0c3911f7bf3e1f9516a7195c
--> 71c55de581a
STEP 4/12: RUN sh -c  "if [ x"" != x$http_proxy ]; then 			    apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --keyserver-options http-proxy=$http_proxy --recv-keys ED75B5A4483DA07C ; 		    else 			    apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys ED75B5A4483DA07C ; 		    fi"
Warning: apt-key output should not be parsed (stdout is not a terminal)
Executing: /tmp/apt-key-gpghome.pjX9B3q4gZ/gpg.1.sh --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys ED75B5A4483DA07C
gpg: keyserver receive failed: Server indicated a failure
Error: error building at STEP "RUN sh -c  "if [ x"" != x$http_proxy ]; then 			    apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --keyserver-options http-proxy=$http_proxy --recv-keys ED75B5A4483DA07C ; 		    else 		    apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys ED75B5A4483DA07C ; 		    fi"": error while running runtime: exit status 2

[ error ] Docker container build exited with code:  [ 0 ]