Initial implementation

Dockerfile

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+FROM node:22-bookworm-slim AS build
+
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY tsconfig.json tsconfig.build.json ./
+COPY src ./src
+RUN npm run build && npm prune --omit=dev
+
+FROM node:22-bookworm-slim AS runtime
+
+ARG JOPLIN_VERSION=3.6.2
+RUN npm install --global "joplin@${JOPLIN_VERSION}" \
+    && mkdir -p /profile /state /config \
+    && chown -R node:node /profile /state /config
+
+WORKDIR /app
+COPY --from=build /app/package.json ./package.json
+COPY --from=build /app/node_modules ./node_modules
+COPY --from=build /app/dist ./dist
+
+ENV NODE_ENV=production \
+    JCG_CONFIG_PATH=/config/clients.json
+
+VOLUME ["/profile", "/state"]
+EXPOSE 8080
+USER node
+CMD ["node", "dist/main.js"]