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#Day20

🌟 #Day20 of #100DaysOfDevOps 🌟 🚀 Master Docker with Best Practices! 🐳 Optimizing Docker usage is key to building efficient, secure, and scalable applications. Here are 10 Docker Best Practices that every developer and DevOps engineer should follow: 1️⃣ Use Official or Verified Base Images Start with trusted sources to ensure reliability and security. 2️⃣ Keep Your Images Small Minimize dependencies and remove unnecessary files to reduce build times and attack surfaces. 3️⃣ Clean Up After Yourself Use --no-cache and remove temporary files during builds to avoid bloated images. 4️⃣ Leverage Multi-Stage Builds Streamline your Dockerfile by separating build-time and runtime dependencies for cleaner images. 5️⃣ Avoid Hardcoding Secrets Use tools like Docker secrets, environment variables, or secure vaults for sensitive information. 6️⃣ Use Proper Tagging Tag your images with meaningful versions (e.g., 1.0.0 or latest) for clarity and traceability. 7️⃣ Regularly Scan Images for Vulnerabilities Integrate tools like Trivy, Snyk, or Docker Scout into your CI/CD pipeline to identify and mitigate risks. 8️⃣ Limit Container Privileges Run containers as non-root users and apply the principle of least privilege to enhance security. 9️⃣ Specify Resource Limits Define CPU and memory limits in your docker-compose.yml or Kubernetes manifests to prevent resource hogging. 🔟 Use Docker Ignore Files Exclude unnecessary files from the build context with .dockerignore to optimize builds and avoid leaking sensitive data. 💡 These practices not only improve the efficiency and security of your containerized applications but also align with DevSecOps principles! Which ones do you already follow? 🤔 Let's discuss! Drop your tips and experiences below! ⬇️ #Docker #DevOps #DockerBestPractices #Containerization #CloudNative #DevSecOps #SecureCoding #CI_CD #InfrastructureAsCode #SoftwareDevelopment #CloudComputing #TechTips