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this post was submitted on 31 Aug 2025
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Does it matter if it's running in Docker and the container is lightweight (say less than 50MB), though? I like apps being written in a language I know well so I can contribute if needed, but other than that, I mostly treat a Docker image as a black box.
That'd be awesome. Unfortunately most of my experience (and I realize that is my experience) has so many packages dependencies that 50MB is impossible.
Don't get me wrong, I am proficient in JS/TS so being able to work handily in NodeJS is great, less context switching, but I feel like so many companies I contract for just jam a square peg into a round hole because - and it just makes things painful.
Yeah it's definitely not possible to reach 50MB with a Node.js Docker image, but <150MB should be doable with a distroless base image + compiling the app into one JS file (for example, using Parcel or esbuild).
It's possible to reach ~50-60MB Docker image with a C# app. Rust and Go definitely produce more compact binaries though.