docker deploy setup

Dockerfile

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+# Stage 1: Build shims and extract/patch Obsidian
+FROM node:20-slim AS build
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+  ca-certificates \
+  curl \
+  binutils \
+  xz-utils \
+  && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /build
+
+# Install dependencies first (layer caching)
+COPY package.json package-lock.json ./
+RUN npm ci --ignore-scripts
+
+# Copy source
+COPY build.js ./
+COPY shims/ ./shims/
+COPY scripts/ ./scripts/
+COPY server/ ./server/
+
+# Build shim-loader bundle
+RUN npm run build:shims
+
+# Download and extract Obsidian
+ARG OBSIDIAN_VERSION=1.8.9
+RUN curl -fSL "https://github.com/obsidianmd/obsidian-releases/releases/download/v${OBSIDIAN_VERSION}/obsidian_${OBSIDIAN_VERSION}_amd64.deb" \
+  -o /tmp/obsidian.deb \
+  && mkdir -p /tmp/obsidian-deb \
+  && ar x /tmp/obsidian.deb --output=/tmp/obsidian-deb \
+  && mkdir -p /tmp/obsidian-pkg \
+  && tar -xf /tmp/obsidian-deb/data.tar.xz -C /tmp/obsidian-pkg \
+  && rm -rf /tmp/obsidian.deb /tmp/obsidian-deb
+
+# Extract asar
+RUN npx --yes @electron/asar extract \
+  /tmp/obsidian-pkg/opt/Obsidian/resources/obsidian.asar \
+  /build/obsidian-app \
+  && rm -rf /tmp/obsidian-pkg
+
+# Patch index.html
+RUN node scripts/patch-obsidian.js /build/obsidian-app
+
+# Copy built shim-loader into the obsidian app directory
+RUN cp dist/shim-loader.js /build/obsidian-app/shim-loader.js
+
+# Stage 2: Production image
+FROM node:20-slim
+
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm ci --omit=dev --ignore-scripts
+
+COPY server/ ./server/
+COPY --from=build /build/obsidian-app ./obsidian-app
+
+ENV PORT=8080
+ENV VAULT_PATH=/vault
+ENV OBSIDIAN_ASSETS_PATH=/app/obsidian-app
+
+EXPOSE 8080
+
+VOLUME /vault
+
+CMD ["node", "server/index.js"]