Create Dockerfile

Dockerfile

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+# Stage 1: Clone & install
+FROM node:20-alpine AS builder
+
+# Install git for cloning
+RUN apk add --no-cache git
+
+WORKDIR /app
+
+# Clone only the latest commit (shallow) and remove .git to keep it small
+RUN git clone --depth 1 https://github.com/theonlymo/SRTtoVTT.git . \
+ && rm -rf .git
+
+# Install production dependencies
+RUN npm ci --only=production
+
+# Stage 2: Runtime
+FROM node:20-alpine
+
+WORKDIR /app
+
+# Copy over installed deps and app code from builder
+COPY --from=builder /app /app
+
+# Expose the port the app listens on
+EXPOSE 5000
+
+# Start the server
+CMD ["npm", "start"]