diff --git a/dev.Dockerfile b/dev.Dockerfile
index e1e36c0..e4f6e5a 100644
--- a/dev.Dockerfile
+++ b/dev.Dockerfile
@@ -3,10 +3,11 @@
 ARG NODE_VERSION=20
 
 FROM node:${NODE_VERSION}-alpine AS base
-RUN apk add --no-cache cpio findutils git
+RUN apk add --no-cache cpio findutils git rsync
 WORKDIR /src
 RUN --mount=type=bind,target=.,rw \
   --mount=type=cache,target=/src/.yarn/cache <<EOT
+  set -e
   corepack enable
   yarn --version
   yarn config set --home enableTelemetry 0
@@ -27,25 +28,34 @@ RUN --mount=type=bind,target=.,rw <<EOT
   git add -A
   cp -rf /vendor/* .
   if [ -n "$(git status --porcelain -- yarn.lock)" ]; then
-    echo >&2 'ERROR: Vendor result differs. Please vendor your package with "docker buildx bake vendor-update"'
+    echo >&2 'ERROR: Vendor result differs. Please vendor your package with "docker buildx bake vendor"'
     git status --porcelain -- yarn.lock
     exit 1
   fi
 EOT
 
 FROM deps AS build
-RUN --mount=type=bind,target=.,rw \
+RUN --mount=target=/context \
   --mount=type=cache,target=/src/.yarn/cache \
-  --mount=type=cache,target=/src/node_modules \
-  yarn run build && mkdir /out && cp -Rf dist /out/
+  --mount=type=cache,target=/src/node_modules <<EOT
+  set -e
+  rsync -a /context/. .
+  rm -rf dist
+  yarn run build
+  mkdir /out
+  cp -r dist /out
+EOT
 
 FROM scratch AS build-update
 COPY --from=build /out /
 
 FROM build AS build-validate
-RUN --mount=type=bind,target=.,rw <<EOT
+RUN --mount=target=/context \
+  --mount=target=.,type=tmpfs <<EOT
   set -e
+  rsync -a /context/. .
   git add -A
+  rm -rf dist
   cp -rf /out/* .
   if [ -n "$(git status --porcelain -- dist)" ]; then
     echo >&2 'ERROR: Build result differs. Please build first with "docker buildx bake build"'
@@ -58,8 +68,7 @@ FROM deps AS format
 RUN --mount=type=bind,target=.,rw \
   --mount=type=cache,target=/src/.yarn/cache \
   --mount=type=cache,target=/src/node_modules \
-  yarn run format \
-  && mkdir /out && find . -name '*.ts' -not -path './node_modules/*' -not -path './.yarn/*' | cpio -pdm /out
+  yarn run format && mkdir /out && find . -name '*.ts' -not -path './node_modules/*' -not -path './.yarn/*' | cpio -pdm /out
 
 FROM scratch AS format-update
 COPY --from=format /out /