diff --git a/.circleci/config.yml b/.circleci/config.yml
index 915887a..c3cc57e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,5 +1,15 @@
 version: 2
 jobs:
+  build:
+    docker:
+      - image: alpine
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run: >-
+          apk add --no-cache --no-progress
+            bash docker make
+      - run: make image-prod
   build_and_deploy:
     docker:
       - image: alpine
@@ -17,6 +27,12 @@ workflows:
   version: 2
   ci:
     jobs:
+      - build:
+          filters:
+            branches:
+              ignore: master
+            tags:
+              ignore: /.*/
       - build_and_deploy:
           filters:
             branches:
diff --git a/scripts/docker-install-phase1.bash b/scripts/docker-install-phase1.bash
index 285758a..7f090ca 100755
--- a/scripts/docker-install-phase1.bash
+++ b/scripts/docker-install-phase1.bash
@@ -9,7 +9,7 @@ dpkg --add-architecture i386
 
 export DEBIAN_FRONTEND=noninteractive
 apt-get update
-apt-get install -y apt-transport-https curl gnupg lsb-release software-properties-common wget
+apt-get install -y apt-transport-https curl gnupg libc6 libc6:i386 lsb-release software-properties-common wget
 rm -rf /var/lib/apt/lists/*
 
 ubuntu_ver="$(lsb_release -rs)"