#Docker
4 posts tagged with this topic. ← All tags
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.dockerignore: the file that keeps node_modules out of your image.
What .dockerignore does, why it matters for build speed and image size, and what to put in it for a typical Node.js project.
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Health checks in docker-compose: making containers wait for each other.
How to use healthcheck and condition: service_healthy to ensure dependent containers only start after their dependencies are actually ready, not just running.
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Hot reload inside Docker: keeping development fast.
How to get file-watching and hot module replacement working inside a Docker container using bind mounts, so you keep the benefits of containerization without losing developer speed.
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Container networking: how two containers find each other by name.
A practical look at Docker networks, DNS resolution between containers, and why your API container can't reach 'localhost' from inside another container.