Add Dockerfile and Docker Compose for one-command setup

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.dockerignore

@@ -0,0 +1,5 @@
+__pycache__/
+index.db*
+tinyweb_identity
+.git/
+*.md

.gitignore

@@ -1,4 +1,3 @@
 __pycache__/
 tinyweb_identity
 index.db
-index.db

Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+RUN mkdir -p /data \
+    && ln -sf /data/index.db index.db \
+    && ln -sf /data/tinyweb_identity tinyweb_identity
+
+EXPOSE 8080
+
+CMD ["python", "app.py"]

docker-compose.yml

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+services:
+  tinyweb:
+    build: .
+    ports:
+      - "8080:8080"
+    volumes:
+      - tinyweb-data:/data
+    restart: unless-stopped
+
+volumes:
+  tinyweb-data: