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Dockerfile

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+# Scheer Enterprise Translation Tool — container image.
+# No dependencies to install (server.js only uses Node's built-ins), so the
+# image just needs a Node runtime plus the two app files.
+
+FROM node:18-alpine
+
+WORKDIR /app
+COPY server.js index.html package.json ./
+
+# DEEPL_API_KEY is passed at "docker run" time (via -e or --env-file), not
+# baked into the image. domains.json should be bind-mounted so glossary
+# data survives container restarts/recreation (see README).
+ENV PORT=3000
+EXPOSE 3000
+
+CMD ["node", "server.js"]