diff --git a/.gitlab-docker-arm64.yml b/.gitlab-docker-arm64.yml
index 23dbc10..ad8520d 100644
--- a/.gitlab-docker-arm64.yml
+++ b/.gitlab-docker-arm64.yml
@@ -5,7 +5,7 @@ arm64:build:
   script:
   - if [ -f init ]; then chmod 500 init; fi
   - ([ -z "$REFRESH" -a -f docker/${CI_COMMIT_REF_SLUG} ]) && docker load < docker/${CI_COMMIT_REF_SLUG} || true
-  - docker build --build-arg HTTP_PROXY=http://proxy.dege.lan:3128 --cache-from ${CI_REGISTRY_IMAGE}:${VERSIONARCH} -t ${CI_REGISTRY_IMAGE}:${VERSIONARCH} .
+  - docker build ${HTTP_PROXY:+--build-arg HTTP_PROXY=${HTTP_PROXY}} --cache-from ${CI_REGISTRY_IMAGE}:${VERSIONARCH} -t ${CI_REGISTRY_IMAGE}:${VERSIONARCH} .
   - docker push ${CI_REGISTRY_IMAGE}:${VERSIONARCH}
   - docker save ${CI_REGISTRY_IMAGE}:${VERSIONARCH} > docker/${CI_COMMIT_REF_SLUG}
   tags:
diff --git a/.gitlab-docker-armv7l.yml b/.gitlab-docker-armv7l.yml
index 8b8641c..48fe6a6 100644
--- a/.gitlab-docker-armv7l.yml
+++ b/.gitlab-docker-armv7l.yml
@@ -5,7 +5,7 @@ armv7l:build:
   script:
   - if [ -f init ]; then chmod 500 init; fi
   - ([ -z "$REFRESH" -a -f docker/${CI_COMMIT_REF_SLUG} ]) && docker load < docker/${CI_COMMIT_REF_SLUG} || true
-  - docker build --build-arg HTTP_PROXY=http://proxy.dege.lan:3128 --cache-from ${CI_REGISTRY_IMAGE}:${VERSIONARCH} -t ${CI_REGISTRY_IMAGE}:${VERSIONARCH} .
+  - docker build ${HTTP_PROXY:+--build-arg HTTP_PROXY=${HTTP_PROXY}} --cache-from ${CI_REGISTRY_IMAGE}:${VERSIONARCH} -t ${CI_REGISTRY_IMAGE}:${VERSIONARCH} .
   - docker push ${CI_REGISTRY_IMAGE}:${VERSIONARCH}
   - docker save ${CI_REGISTRY_IMAGE}:${VERSIONARCH} > docker/${CI_COMMIT_REF_SLUG}
   tags:
diff --git a/.gitlab-docker-x86_64.yml b/.gitlab-docker-x86_64.yml
index a68a1f4..f66c5c8 100644
--- a/.gitlab-docker-x86_64.yml
+++ b/.gitlab-docker-x86_64.yml
@@ -5,7 +5,7 @@ x86_64:build:
   script:
   - if [ -f init ]; then chmod 500 init; fi
   - ([ -z "$REFRESH" -a -f docker/${CI_COMMIT_REF_SLUG} ]) && docker load < docker/${CI_COMMIT_REF_SLUG} || true
-  - docker build --build-arg HTTP_PROXY=http://proxy.dege.lan:3128 --cache-from ${CI_REGISTRY_IMAGE}:${VERSIONARCH} -t ${CI_REGISTRY_IMAGE}:${VERSIONARCH} .
+  - docker build ${HTTP_PROXY:+--build-arg HTTP_PROXY=${HTTP_PROXY}} --cache-from ${CI_REGISTRY_IMAGE}:${VERSIONARCH} -t ${CI_REGISTRY_IMAGE}:${VERSIONARCH} .
   - docker push ${CI_REGISTRY_IMAGE}:${VERSIONARCH}
   - docker save ${CI_REGISTRY_IMAGE}:${VERSIONARCH} > docker/${CI_COMMIT_REF_SLUG}
   tags:
diff --git a/Dockerfile b/Dockerfile
index 04a1842..fef267c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 FROM nginx:alpine
 
 # Change to http respositories, so they we can cache the install packages
-RUN if [ -n ${HTTP_PROXY} ] ; then sed -i -e s'/https/http/' /etc/apk/repositories; fi
+RUN if [ -n "${HTTP_PROXY}" ] ; then echo "Using HTTP PROXY [${HTTP_PROXY}]" && sed -i -e s'/https/http/' /etc/apk/repositories; fi
 
 RUN apk add --no-cache nginx nginx-mod-mail bash