diff --git a/.gitlab/ci/.build-binaries.yml b/.gitlab/ci/.build-binaries.yml
index d9501f5320566d747f44089cb0e1fcf31ef930ae..25d738ff406470847955eaf8330ed5d6260ec496 100644
--- a/.gitlab/ci/.build-binaries.yml
+++ b/.gitlab/ci/.build-binaries.yml
@@ -15,5 +15,4 @@ build-all-binaries:
           - artifacts/orchestrator
           - artifacts/venv-manager
         expire_in: 1 week
-
     <<: *build-binaries
diff --git a/applications/venv-manager/venv-manager.Dockerfile b/applications/venv-manager/venv-manager.Dockerfile
index 4eece74d6d3ee33e0f0cc9cb0e71d00e8078f84a..706555b00f69a8c7d9e53c435ad0d516bc03570e 100644
--- a/applications/venv-manager/venv-manager.Dockerfile
+++ b/applications/venv-manager/venv-manager.Dockerfile
@@ -1,6 +1,6 @@
 ARG GOLANG_VERSION=1.21
 ARG BUILDARGS
-ARG GITLAB_PROXY=code.fbi.h-da.de:443/danet/dependency_proxy/containers
+ARG GITLAB_PROXY
 
 FROM ${GITLAB_PROXY}golang:$GOLANG_VERSION-bookworm AS builder
 
@@ -17,7 +17,7 @@ COPY applications/venv-manager/ applications/venv-manager/
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o venv-manager applications/venv-manager/main.go
 
 
-FROM ubuntu:22.04
+FROM ${GITLAB_PROXY}ubuntu:22.04
 COPY --from=builder /gosdn/venv-manager /venv-manager
 
 ENTRYPOINT ["/venv-manager"]
diff --git a/cli/cli.Dockerfile b/cli/cli.Dockerfile
index b84e82c38ef9b9ac84d5c597011422e94f2e5754..593b70655eacf06220e05c8b5d228ddb853c661f 100644
--- a/cli/cli.Dockerfile
+++ b/cli/cli.Dockerfile
@@ -1,6 +1,6 @@
 ARG GOLANG_VERSION=1.21
 ARG BUILDARGS
-ARG $GITLAB_PROXY
+ARG GITLAB_PROXY
 
 FROM ${GITLAB_PROXY}golang:$GOLANG_VERSION-alpine AS builder
 WORKDIR /gosdn/
@@ -10,5 +10,5 @@ RUN --mount=type=cache,target=/root/go/pkg/mod \
     --mount=type=cache,target=/root/.cache/go-build \
     make build-gosdnc
 
-FROM ubuntu:22.04
+FROM ${GITLAB_PROXY}ubuntu:22.04
 COPY --from=builder /gosdn/artifacts/gosdnc /