diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..efb31e3
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+app/node_modules/
+app/static/vendor/
diff --git a/Dockerfile b/Dockerfile
index 3b47662..b146890 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,16 @@
-FROM python:3.12-slim
+FROM node:22-slim AS assets
+
+WORKDIR /app
+COPY app/package.json ./
+COPY app/scripts ./scripts
+RUN npm install --omit=dev --no-audit --no-fund
+
+FROM python:3.12-slim AS base
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     FLASK_HOST=0.0.0.0
 
-# hadolint ignore=DL3008
-RUN apt-get update && apt-get install -y --no-install-recommends nodejs npm && rm -rf /var/lib/apt/lists/*
-
 WORKDIR /tmp/build
 
 COPY pyproject.toml README.md main.py ./
@@ -15,6 +19,14 @@ RUN python -m pip install --no-cache-dir .
 
 WORKDIR /app
 COPY app/ .
-RUN npm install --prefix /app
 
 CMD ["python", "app.py"]
+
+FROM base AS dev
+
+# hadolint ignore=DL3008
+RUN apt-get update && apt-get install -y --no-install-recommends nodejs npm && rm -rf /var/lib/apt/lists/*
+
+FROM base AS runtime
+
+COPY --from=assets /app/static/vendor ./static/vendor
diff --git a/docker-compose.yml b/docker-compose.yml
index 7f0dda4..e72eb1a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,6 +7,7 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
+      target: dev
     container_name: portfolio
     ports:
       - "${PORT:?PORT must be set in .env (see env.example)}:${PORT:?PORT must be set in .env (see env.example)}"