improve the build script

Dockerfile

@@ -1,18 +1,18 @@
-ARG pg_alpine_branch
-FROM alpine:${pg_alpine_branch}
+ARG alpine_version
+FROM alpine:${alpine_version}
 
-ARG pg_alpine_branch
-ARG pg_version
+ARG alpine_version
+ARG pg_package_version
 
 #--------------------------------------------------------------------------------
 # Install dependencies
 #--------------------------------------------------------------------------------
 # "postgresql" is required for "pg_restore"
 # "py-pip" is required for "aws-cli"
 #--------------------------------------------------------------------------------
-RUN echo "http://dl-cdn.alpinelinux.org/alpine/v${pg_alpine_branch}/main" >> /etc/apk/repositories
+RUN echo "http://dl-cdn.alpinelinux.org/alpine/v${alpine_version}/main" >> /etc/apk/repositories
 
-RUN apk --no-cache --update add dumb-init postgresql=${pg_version} py-pip && \
+RUN apk --no-cache --update add dumb-init postgresql=${pg_package_version} py-pip && \
 	pip install awscli && \
 	apk --purge -v del py-pip
 

build_push.sh

@@ -1,17 +1,31 @@
 #!/usr/bin/env sh
 
+alpine_version='3.8'
+legacy_image=false
+pg_major_version='10'
+pg_package_version='10.10'
+
 builds=\
-"10.10_10.10-r0_3.8",\
-"10_10.10-r0_3.8",\
-"latest_10.10-r0_3.8"
+"${pg_package_version}_${pg_package_version}-r0_${alpine_version}",\
+"${pg_major_version}_${pg_package_version}-r0_${alpine_version}"
+
+if [ "${legacy_image}" = 'false' ]; then
+  builds="${builds}","latest_${pg_package_version}-r0_${alpine_version}"
+fi
+
+echo $builds | tr ',' '\n' | while read build; do
+  alpine_version=$(echo "${build}" | cut -d '_' -f 3)
+  pg_restore_from_s3_tag=$(echo "${build}" | cut -d '_' -f 1 )
+  pg_package_version=$(echo "${build}" | cut -d '_' -f 2)
 
-for build in $(echo $builds | tr ',' '\n'); do
-  tag=$(echo "${build}" | cut -d '_' -f 1 )
-  pg_version=$(echo "${build}" | cut -d '_' -f 2)
-  pg_alpine_branch=$(echo "${build}" | cut -d '_' -f 3)
+  echo ""
+  echo "--------------------------------"
+  echo "POSTGRES-RESTORE-FROM-S3 TAG: ${pg_restore_from_s3_tag}"
+  echo "POSTGRES PACKAGE VERSION: ${pg_package_version}"
+  echo "--------------------------------"
 
-  echo docker build --tag bluedrop360/postgres-restore-from-s3:"${tag}" --build-arg pg_version="${pg_version}" --build-arg pg_alpine_branch="${pg_alpine_branch}" .
-  eval docker build --tag bluedrop360/postgres-restore-from-s3:"${tag}" --build-arg pg_version="${pg_version}" --build-arg pg_alpine_branch="${pg_alpine_branch}" .
-  echo docker push bluedrop360/postgres-restore-from-s3:"${tag}"
-  eval docker push bluedrop360/postgres-restore-from-s3:"${tag}"
+  echo docker build --tag bluedrop360/postgres-restore-from-s3:$pg_restore_from_s3_tag --build-arg pg_package_version=$pg_package_version --build-arg alpine_version="${alpine_version}" .
+  eval docker build --tag bluedrop360/postgres-restore-from-s3:$pg_restore_from_s3_tag --build-arg pg_package_version=$pg_package_version --build-arg alpine_version="${alpine_version}" . || exit 1
+  echo docker push bluedrop360/postgres-restore-from-s3:$pg_restore_from_s3_tag
+  eval docker push bluedrop360/postgres-restore-from-s3:$pg_restore_from_s3_tag || exit 1
 done