diff --git a/dockerfiles/alpine.Dockerfile b/dockerfiles/alpine.Dockerfile
index e93f0e8..dcafd8a 100644
--- a/dockerfiles/alpine.Dockerfile
+++ b/dockerfiles/alpine.Dockerfile
@@ -11,12 +11,13 @@ RUN <<EOT
   gem install -N bundler
 EOT
 
+ENV RACK_ENV="production" \
+  BUNDLE_DEPLOYMENT=true \
+  BUNDLE_PATH="/usr/local/bundle" \
+  BUNDLE_WITHOUT="development test"
 
 FROM base AS build
 
-ENV BUNDLE_DEPLOYMENT=true \
-  BUNDLE_WITHOUT="development test"
-
 RUN <<EOT
   apk add musl-dev gcc make
   rm -rf /var/cache/apk
diff --git a/dockerfiles/bookworm.Dockerfile b/dockerfiles/bookworm.Dockerfile
index db330f8..264c337 100644
--- a/dockerfiles/bookworm.Dockerfile
+++ b/dockerfiles/bookworm.Dockerfile
@@ -10,12 +10,13 @@ RUN <<EOT
   gem install -N bundler
 EOT
 
+ENV RACK_ENV="production" \
+  BUNDLE_DEPLOYMENT=true \
+  BUNDLE_PATH="/usr/local/bundle" \
+  BUNDLE_WITHOUT="development test"
 
 FROM base AS build
 
-ENV BUNDLE_DEPLOYMENT=true \
-  BUNDLE_WITHOUT="development test"
-
 RUN <<EOT
   apt-get update -qq
   apt-get install --yes --no-install-recommends gcc make libc-dev