Use Ubuntu distrib, less heavier

docker/Dockerfile

-FROM centos:centos7 AS builder
+FROM ubuntu:20.04 AS builder
 
 ARG UCNEBASE_VERSION
 ARG BUILD_DATE
@@ -25,14 +25,11 @@ LABEL org.opencontainers.image.created=$BUILD_DATE
 ENV USER=ucnebase
 # In a single layer to save time AND space
 RUN echo '# OS update' \
-	&& yum update -y \
+	&& export DEBIAN_FRONTEND=noninteractive \
+	&& apt-get update  -y \
 	&&        echo '# Install OS requirements' \
-	&& yum install -y perl perl-CGI httpd postfix rsyslog-mysql wget git php-mysqlnd \
-	&& wget 'https://dev.mysql.com/get/mysql80-community-release-el7-5.noarch.rpm' \
-	&& rpm -ivh *.rpm \
-	&& rm -f *.rpm \
-	&& yum install -y mysql-community-server \
-	&& grep 'temporary password' /var/log/* \
+	&& apt-get install -y --no-install-recommends perl libcgi-pm-perl postfix wget git mysql-server apache2 ca-certificates php-mysqlnd \
+	&& echo 'perl perl-CGI httpd postfix rsyslog-mysql wget git php-mysqlnd' \
 	&&        echo '# Install UCNEbase' \
 	&& cd /usr/local/ \
 	&& git clone https://gitlab.sib.swiss/EPD/UCNEbase_web.git UCNEbase_web.git \
@@ -40,8 +37,10 @@ RUN echo '# OS update' \
 	&& rm -Rf OLD/ .git* docker/ \
 	&&        echo '# CLEANING' \
 	&& echo '## So try to remove manually useless stuff' \
-	&& yum remove -y wget git *-devel gcc \
-	&& yum clean all \
+	&& apt remove -y *-dev wget cmake make swig autoconf check gcc g++ gfortran python3* patchelf \
+	&& apt autoremove -y \
+	&& apt-get clean \
+	&& rm -rf /var/lib/apt/lists/* \
 	&& groupadd -g 1001 ${USER} && useradd -r -u 1001 -g ${USER} ${USER}
 
 

docker/README.docker

@@ -4,14 +4,14 @@
 #    https://developers.redhat.com/blog/2016/03/09/more-about-docker-images-size/
 
 
-## ucnebase:0.0.1        is the built image target, usually (lowercase) name:version
+## ucnebase:0.0.2        is the built image target, usually (lowercase) name:version
 ## Dockerfile            is the Dockerfile, the commands used to build the image
 ## Dockerfile example: https://github.com/ElmerCSC/elmerfem/blob/devel/docker/elmerice.dockerfile
 #                      https://github.com/ComparativeGenomicsToolkit/cactus/blob/master/Dockerfile
 #                      https://github.com/ComparativeGenomicsToolkit/Comparative-Annotation-Toolkit/blob/master/Dockerfile
 
 # Build Docker image
-export UCNEBASE_VERSION=0.0.1
+export UCNEBASE_VERSION=0.0.2
 docker build -t ucnebase:$UCNEBASE_VERSION --no-cache=true --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') --build-arg UCNEBASE_VERSION=$UCNEBASE_VERSION  -f Dockerfile . # 2>&1 >UCNEbase.Dockerfile.log
 
 # List Docker local images (imported or built)