Improve Dockerfile with multi-stage build#42
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Update `Dockerfile` to use a multi-stage build for reducing the final image size and separating build and runtime environments. * **Stage 1: Build** - Use `alpine:3.14` as the base image. - Set environment variables for build. - Install `nodejs` and `npm`. - Copy `package.json` and install dependencies. * **Stage 2: Runtime** - Use `alpine:3.14` as the base image. - Set environment variables for runtime. - Install `nodejs`. - Copy `node_modules` from the build stage. - Copy application files to `/app`. - Set the command to run the application. --- For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/docker/scout-demo-service/tree/main?shareId=XXXX-XXXX-XXXX-XXXX).
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Update
Dockerfileto use a multi-stage build for reducing the final image size and separating build and runtime environments.Stage 1: Build
alpine:3.14as the base image.nodejsandnpm.package.jsonand install dependencies.Stage 2: Runtime
alpine:3.14as the base image.nodejs.node_modulesfrom the build stage./app.For more details, open the Copilot Workspace session.