diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..f221c84
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,11 @@
+**/node_modules
+**/dist
+**/bin
+**/obj
+.git
+.gitignore
+*.md
+.vscode
+.env
+.claude
+frontend
diff --git a/frontend/.dockerignore b/frontend/.dockerignore
new file mode 100644
index 0000000..edd7a91
--- /dev/null
+++ b/frontend/.dockerignore
@@ -0,0 +1,7 @@
+node_modules
+dist
+.git
+.gitignore
+*.md
+.vscode
+.env*
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 8ea889b..d659305 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,5 +1,6 @@
 FROM node:22 AS build
 WORKDIR /app
+ENV NODE_OPTIONS=--max-old-space-size=4096
 COPY package*.json ./
 RUN npm ci
 COPY . .