diff --git a/docker/proxy/Dockerfile b/docker/proxy/Dockerfile
index e308ee1..fb57261 100644
--- a/docker/proxy/Dockerfile
+++ b/docker/proxy/Dockerfile
@@ -5,7 +5,8 @@ ARG TARGETOS
 WORKDIR /workdir
 
 COPY . .
-RUN apk add --no-cache bash git build-base protobuf && \
+RUN touch /.dockerenv && \
+    apk add --no-cache bash git build-base protobuf && \
     if [ -d "vendor" ]; then GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOPROXY=off make proxy; else \
     GOOS=${TARGETOS} GOARCH=${TARGETARCH} make proxy; fi
 
diff --git a/docker/server/Dockerfile b/docker/server/Dockerfile
index 26addc7..401e769 100644
--- a/docker/server/Dockerfile
+++ b/docker/server/Dockerfile
@@ -5,7 +5,8 @@ ARG TARGETOS
 WORKDIR /workdir
 
 COPY . .
-RUN apk add --no-cache bash git build-base protobuf && \
+RUN touch /.dockerenv && \
+    apk add --no-cache bash git build-base protobuf && \
     if [ -d "vendor" ]; then GOOS=${TARGETOS} GOARCH=${TARGETARCH} GOPROXY=off make server; else \
     GOOS=${TARGETOS} GOARCH=${TARGETARCH} make server; fi