diff --git a/.dockerignore b/.dockerignore
deleted file mode 100644
index 12e029c..0000000
--- a/.dockerignore
+++ /dev/null
@@ -1,9 +0,0 @@
-.git
-.claude
-node_modules
-.svelte-kit
-build
-memos
-Dockerfile
-compose.yaml
-*.md
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 0f208b3..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,14 +0,0 @@
-# Build the static PWA, then serve it with nginx.
-
-FROM node:24-alpine AS build
-WORKDIR /app
-COPY package.json package-lock.json ./
-RUN npm ci
-COPY . .
-RUN npm run build
-
-FROM nginx:1.29-alpine
-COPY docker/nginx.conf /etc/nginx/conf.d/default.conf
-COPY --from=build /app/build /usr/share/nginx/html
-EXPOSE 80
-HEALTHCHECK --interval=30s --timeout=3s CMD wget -qO /dev/null http://127.0.0.1/ || exit 1
diff --git a/README.md b/README.md
index 824eec3..2ce1d3a 100644
--- a/README.md
+++ b/README.md
@@ -12,14 +12,6 @@ npm run check      # type-check
 npm run build      # static PWA in build/ — serve it from any static host (HTTPS for PWA install)
 ```
 
-## Docker
-
-```sh
-docker compose up -d --build    # http://localhost:8080 (set PAPURE_PORT to change)
-```
-
-The image builds the PWA and serves it with nginx. Put an HTTPS reverse proxy in front of it: installing the PWA and the offline service worker both need HTTPS. To update, `git pull` and run the same command again.
-
 ## Using it
 
 - **Tools** (bottom bar): Text `T`, Pen `P`, Highlighter `H`, Eraser `E`, Import PDF, Undo/Redo, zoom. The pen's eraser end erases too.
diff --git a/compose.yaml b/compose.yaml
deleted file mode 100644
index 30d5a45..0000000
--- a/compose.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-services:
-  papure:
-    build: .
-    image: papure
-    restart: unless-stopped
-    # Put an HTTPS reverse proxy in front: the PWA install and service worker need HTTPS.
-    ports:
-      - "${PAPURE_PORT:-8080}:80"
diff --git a/docker/nginx.conf b/docker/nginx.conf
deleted file mode 100644
index f86d149..0000000
--- a/docker/nginx.conf
+++ /dev/null
@@ -1,33 +0,0 @@
-server {
-	listen 80;
-	server_name _;
-	root /usr/share/nginx/html;
-
-	gzip on;
-	gzip_types text/css application/javascript application/json application/manifest+json image/svg+xml;
-
-	# Hashed build output never changes.
-	location /_app/immutable/ {
-		add_header Cache-Control "public, max-age=31536000, immutable";
-		try_files $uri =404;
-	}
-
-	# The service worker and app shell must be re-checked so updates reach clients.
-	location = /service-worker.js {
-		add_header Cache-Control "no-cache";
-		try_files $uri =404;
-	}
-
-	# nginx's default MIME table has no entry for the PWA manifest.
-	location ~ \.webmanifest$ {
-		types { }
-		default_type application/manifest+json;
-		add_header Cache-Control "no-cache";
-	}
-
-	# Client-side app: unknown paths fall back to the SPA shell.
-	location / {
-		add_header Cache-Control "no-cache";
-		try_files $uri $uri/ /index.html;
-	}
-}