Add missing proxy to dockerfiles

See merge request !655

.gitlab/ci/.build-binaries.yml

@@ -15,5 +15,4 @@ build-all-binaries:
           - artifacts/orchestrator
           - artifacts/venv-manager
         expire_in: 1 week
-
     <<: *build-binaries

applications/venv-manager/venv-manager.Dockerfile

 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"]

cli/cli.Dockerfile

 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 /