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feat(docker): add frontend live reload #857

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f0104e2
Add live reload frontend dev image
scotluns May 20, 2026
47aa499
Back out live reload demo marker
scotluns May 20, 2026
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19 changes: 18 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,3 +1,20 @@
FROM node:22-alpine AS dev

WORKDIR /workspace

COPY package*.json ./
RUN npm ci

COPY . .
RUN mkdir -p /workspace-seed && cp -R src /workspace-seed/src

# Polling makes file watching reliable with Docker bind mounts.
ENV CHOKIDAR_USEPOLLING=true

EXPOSE 80 4200

CMD ["sh", "-c", "if [ ! -f src/main.ts ]; then cp -R /workspace-seed/src/. src/; fi; exec npm start -- --host 0.0.0.0 --port 80 --poll 1000"]

FROM --platform=${BUILDPLATFORM} node:22-alpine AS build

WORKDIR /workspace
Expand Down Expand Up @@ -51,4 +68,4 @@ COPY --from=build /workspace/dist/app/browser /usr/share/nginx/html
EXPOSE 80 443

# Command to run NGINX in foreground
CMD ["nginx", "-g", "daemon off;"]
CMD ["nginx", "-g", "daemon off;"]
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