Docker said 'Connection refused'. Localhost worked fine. The problem was one line.
📰 Dev.to · Nico Reyes
Fix Docker connection refused error by changing localhost to 0.0.0.0 to allow external connections
Action Steps
- Run Docker container with localhost address
- Identify connection refused error
- Change 127.0.0.1 to 0.0.0.0 in Docker configuration
- Restart Docker container
- Test external connection to Docker container
Who Needs to Know This
DevOps engineers and developers who work with Docker containers can benefit from this solution to enable external access to their containers
Key Insight
💡 Using 0.0.0.0 instead of 127.0.0.1 allows Docker container to accept external connections
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🚨 Fix Docker connection refused error by changing localhost to 0.0.0.0 🚨
Key Takeaways
Fix Docker connection refused error by changing localhost to 0.0.0.0 to allow external connections
Full Article
Container worked internally but refused external connections. The fix was changing 127.0.0.1 to 0.0.0.0.
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