Script to combine different dockers together

combine_dockers/.gitignore

+build/*

combine_dockers/Docker_template

+FROM TEMPLATE_BASE AS base
+LABEL name "TEMPLATE_NAME"
+
+# Add other images
+#IMAGES
+
+# Build docker
+FROM base AS builder
+WORKDIR TEMPLATE_BASEDIR
+
+# setup environment file
+RUN printf "#! /usr/bin/env bash\n" > HEJ_env.sh
+#SOURCE
+
+FROM base
+
+COPY --from=builder TEMPLATE_BASEDIR/HEJ_env.sh TEMPLATE_BASEDIR/HEJ_env.sh

combine_dockers/combine_dockers.sh

+#! /usr/bin/env bash
+
+export HEPSW_HOME="/cvmfs/pheno.egi.eu/HEJ"
+
+image_name(){
+  # created docker image name
+  echo "maheil/"${1,,}":gcc9_ubuntu"
+}
+
+TARGET_NAME="${1}"
+SOURCE_IMAGES=(${@:2})
+
+if [[ ${#SOURCE_IMAGES[@]} -lt 2 ]]; then
+  >&2 echo "Usage: ${0} target source1 source2 [...]"
+  exit 1
+fi
+
+# setting up variables
+source ../install/config
+
+TARGET_IMAGE=$(image_name ${TARGET_NAME})
+TARGET_DOCKER=Docker_${TARGET_NAME}
+TARGET_PREFIX=${TARGET_NAME^^}_PREFIX
+
+echo "Setting up \"${TARGET}\" from \"${SOURCE_IMAGES[@]}\""
+
+mkdir -p build
+cd build
+cp ../Docker_template ${TARGET_DOCKER}
+
+# setup target
+sed -i -e "s TEMPLATE_PREFIX ${TARGET_PREFIX} g" ${TARGET_DOCKER} | exit 2
+sed -i -e "s TEMPLATE_NAME ${TARGET_NAME} g" ${TARGET_DOCKER} | exit 2
+sed -i -e "s TEMPLATE_BASEDIR ${HEPSW_HOME} g" ${TARGET_DOCKER} | exit 2
+echo "- Installation directory is set to ${HEPSW_HOME}"
+
+# add sources
+if [[ ${#SOURCE_IMAGES[@]} -gt 0 ]]; then
+  base_docker=$(image_name ${SOURCE_IMAGES[0]^^})
+else
+  base_docker=$(image_name "compiler")
+fi
+echo "- Using \"${base_docker}\" as base docker"
+sed -i -e "s TEMPLATE_BASE ${base_docker} g" ${TARGET_DOCKER} | exit 2
+
+for dep in ${SOURCE_IMAGES[@]:1}; do
+  declare -n dep_dir=HEPSW_${dep^^}_DIR
+  declare -n dep_name=HEPSW_${dep^^}_NAME
+  dep_docker=$(image_name ${dep_name})
+  echo "- Adding target \"${dep_docker}\""
+  sed -i -e "s#IMAGES#IMAGES\nCOPY --from=${dep_docker} ${dep_dir} ${dep_dir}#g" \
+    ${TARGET_DOCKER} | exit 2
+done
+
+for dep in ${SOURCE_IMAGES[@]}; do
+  declare -n dep_dir=HEPSW_${dep^^}_DIR
+  declare -n dep_name=HEPSW_${dep^^}_NAME
+  echo "- Sourcing target \"${dep_docker}\""
+  sed -i -e "s#SOURCE#SOURCE\nRUN printf \"source ${dep_dir}/${dep_name}dependencies.sh\\\n\" >> HEJ_env.sh#g" \
+    ${TARGET_DOCKER} | exit 2
+  sed -i -e "s#SOURCE#SOURCE\nRUN printf \"source ${dep_dir}/${dep_name}env.sh\\\n\" >> HEJ_env.sh#g" \
+    ${TARGET_DOCKER} | exit 2
+done
+
+echo "- Success! To build the docker run:
+  docker build -t ${TARGET_IMAGE} -f build/${TARGET_DOCKER} ."
+
+exit 0