diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index d5cbb5202..3bd2bf44a 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -55,7 +55,7 @@ COPY docs ./docs
 ENV NEXT_CONFIG_OUTPUT=standalone
 
 # Build backend only
-RUN pnpm turbo run docker-build --filter=@hexclave/backend...
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm turbo run docker-build --filter=@hexclave/backend...
 
 
 # Final image
diff --git a/docker/local-emulator/Dockerfile b/docker/local-emulator/Dockerfile
index 4fcfb4318..ef64164ef 100644
--- a/docker/local-emulator/Dockerfile
+++ b/docker/local-emulator/Dockerfile
@@ -56,7 +56,7 @@ ENV NEXT_CONFIG_OUTPUT=standalone
 ENV NEXT_PUBLIC_STACK_STRIPE_PUBLISHABLE_KEY=pk_test_mock_publishable_key_for_local_emulator
 
 # Build the backend NextJS app
-RUN pnpm turbo run docker-build --filter=@hexclave/backend... --filter=@hexclave/dashboard...
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm turbo run docker-build --filter=@hexclave/backend... --filter=@hexclave/dashboard...
 
 # Build the self-host seed script.
 # tsdown -> rolldown is multi-threaded Rust; under qemu-user (cross-arch
diff --git a/docker/server/Dockerfile b/docker/server/Dockerfile
index 62656ea08..828ebd523 100644
--- a/docker/server/Dockerfile
+++ b/docker/server/Dockerfile
@@ -53,10 +53,10 @@ COPY docs ./docs
 ENV NEXT_CONFIG_OUTPUT=standalone
 
 # Build the backend NextJS app
-RUN pnpm turbo run docker-build --filter=@hexclave/backend... --filter=@hexclave/dashboard...
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm turbo run docker-build --filter=@hexclave/backend... --filter=@hexclave/dashboard...
 
 # Build the self-host seed script
-RUN cd apps/backend && pnpm build-self-host-migration-script
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store cd apps/backend && pnpm build-self-host-migration-script