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.dockerignore

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+# Build context excludes — keep the image reproducible and free of host state.
+#
+# The Dockerfile installs dependencies with `npm ci` and then `COPY . .`. Without
+# this file that copy would drop the host's node_modules on top of the ones just
+# installed in the image: those are built for the host (macOS/arm64), the image
+# is Linux, and esbuild/rollup ship native binaries — so `npm run build` would
+# fail or emit a broken bundle. It would also bake `.env` into the image, where
+# Vite would read it and override the API URLs passed as build args.
+
+# Dependencies — reinstalled in the image from the lockfile
+node_modules
+
+# Build output — produced inside the image by `npm run build`
+dist
+dist-ssr
+
+# Local environment / secrets — never baked into the image; API URLs come from
+# build args (see the Dockerfile). Keep .env.example so the repo still documents
+# the knobs, but it is not needed in the build either.
+.env
+.env.*
+!.env.example
+
+# Version control and project metadata
+.git
+.gitignore
+.dockerignore
+Dockerfile
+*.md
+README*
+
+# Editor / OS cruft
+.vscode
+.idea
+.DS_Store
+*.log
+npm-debug.log*
+
+# Tooling caches
+.eslintcache
+coverage
+.cache