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ckh2445/README.md

ckh2445

I have a passion for coding, designing, innovating, and experimenting. Here are a few things about me

  • Programming Enthusiast: I love coding, especially in Python. I'm always excited to solve problems and create innovative solutions.
  • DevOps and Security: I have a keen interest in DevOps and security. I enjoy exploring best practices and implementing them to ensure robust and efficient systems.
  • Collaboration: I strongly believe in the power of collaboration. Working with others to achieve common goals is something I truly value.
  • Continuous Learning: The tech world is ever-evolving, and I love keeping up with the latest trends and technologies. Learning new skills and improving existing ones is a continuous journey for me.

I'm always open to new opportunities and enjoy taking on new challenges. Let's connect and collaborate!


πŸ”₯ Streak Stats

ckh2445


πŸ› οΈ My Skills

πŸ‘‰ Programming languages

    JavaScript   Java   Python 

πŸ‘‰ Frontend Development

         

πŸ‘‰ Databases & Cloud Hosting

  MySQL   SQLite   GitHub Pages     Firebase    

πŸ‘‰ Frameworks

         

πŸ‘‰Communication

     

πŸ‘‰ Software & OS

                 

πŸ‘‰ Deployment

       


πŸš€ Develope History (πŸ’™: μˆ˜μ • 및 κ°œλ°œμ™„λ£Œ βŒ›: 개발 쀑)

  • πŸ’™ 24.05.07 [NTT] cloud ν™˜κ²½ μž¬κ΅¬μΆ•
  • πŸ’™ 24.05.08 [NTT] Pipeline ꡬ좕 μ™„λ£Œ
  • πŸ’™ 24.05.29 [Kolo_API] 배포
  • πŸ’™ 24.06.01 [Kolo] Jenkins igonre μΆ”κ°€
  • πŸ’™ 24.06.05 [NTT] mail κΈ°λŠ₯ ν™•μž₯
  • πŸ’™ 24.06.08 [Kolo] Jenkins μ™„μ„±
  • πŸ’™ 24.06.11 [Kolo] Branchs rule μˆ˜μ •
  • πŸ’™ 24.06.19 [NTT] login λ¦¬νŒ©ν† λ§
  • πŸ’™ 24.07.05 [NTT] open_list μž‘μ„±
  • πŸ’™ 24.07.09 [NTT] query μ΅œμ ν™”
  • πŸ’™ 24.07.14 [NTT] Filter μž‘μ„±
  • πŸ’™ 24.07.18 [NTT] 닀쀑 폼 처리 둜직 κ΅¬ν˜„
  • πŸ’™ 24.08.07 [NTT] open_list 배포
  • πŸ’™ 24.08.29 [Kolo] λ””μžμΈ 리메이크
  • πŸ’™ 24.09.27 [NTT] μžλ™ν™” κ²€μΆœ 100% μž‘μ—…
  • πŸ’™ 24.09.09 [Kolo] 뢀동산 개발
  • πŸ’™ 24.10.22 [NTT] login app 뢄리 μž‘μ—… ν›„ λ‘œμ§λ³€κ²½
  • πŸ’™ 24.10.25 [NTT] order app 뢄리 μž‘μ—… 및 order sample κ΅¬ν˜„
  • βŒ› 24.11.05 [kolo] linux app 개발

✍🏻 Blog History

  • 24.04.04 μ •μ²˜κΈ° 3회 μ‹€κΈ° λ‚΄μš© μΆ”κ°€(μ‹€κΈ° 2편)
  • 24.04.05 μ •μ²˜κΈ° 4회 μ‹€κΈ° λ‚΄μš© μΆ”κ°€(μ‹€κΈ° 2편)
  • 24.04.12 μ •μ²˜κΈ° 5회 μ‹€κΈ° λ‚΄μš© μΆ”κ°€(μ‹€κΈ° 3편)
  • 24.04.18 21λ…„ μ •μ²˜κΈ° 3회 μ‹€κΈ° λ‚΄μš© μΆ”κ°€(μ‹€κΈ° 4편)
  • 24.04.18 21λ…„ μ •μ²˜κΈ° 4회 μ‹€κΈ° λ‚΄μš© μΆ”κ°€(μ‹€κΈ° 5편)
  • 24.04.26 λ§ˆμ§€λ§‰ μš”μ•½ λ‚΄μš© μΆ”κ°€(μ‹€κΈ° 6편)
  • 24.05.04 μ½”λ”©ν…ŒμŠ€νŠΈ 5.정닀면체 풀이
  • 24.05.27 Jira(BTS) 정리
  • 24.06.06 Notion μž‘μ„±
  • 24.06.11 PEP 8 (Python Coding Convention)
  • 24.06.13 κΈ€μ“°κΈ° μž‘μ„±λ²• λ‚΄μš© μΆ”κ°€
  • 24.06.17 PEP 8 λ‚΄μš© μΆ”κ°€
  • 24.06.29 μ½”ν…Œ λ‚΄μš© 정리
  • 24.08.12 Java Soap 톡신 μ†ŒμŠ€ μˆ˜μ •
  • 24.10.10 Django bulk create, Celery κ°œλ… μž‘μ„±
  • 24.10.31 Django debug toolbar λΈ”λ‘œκ·Έ μž‘μ„±
  • 24.11.04 Django CBV vs FBV λΈ”λ‘œκ·Έ μž‘μ„±

🎯 Trouble Shooting

NTT NKS(Ncloud Kubernets Service) 배포 ν›„ memory leak

    1. ν•΄λ‹Ή λ©”λͺ¨λ¦¬ λˆ„μˆ˜λŠ” chromedriver의 driver.quit() 볡합적인 이슈둜 μ‹€ν–‰ 둜직 및 docker νŒŒμΌμ—μ„œμ˜ 버전 λͺ…μ‹œ μ½”λ“œλ¦¬λ·°λ‘œ λ©”λͺ¨λ¦¬ λˆ„μˆ˜ ν•΄κ²°
    2. uwsgi worker의 memory leak으둜 인해 uwsgi 섀정에 reload-on-as option을 μΆ”κ°€ν•˜μ—¬ 일정 μ‚¬μš©λ₯  이상 μ§„μž… μ‹œ μž¬μ‹œμž‘λ˜λ„λ‘ μ„€μ • -> ν•΄λ‹Ή μž¬μ‹œμž‘μ€ μ›Ήμ„œλΉ„μŠ€λ₯Ό 쀑단할 수 μžˆμ§€λ§Œ, NTTλŠ” λ‘œλ“œλ°ΈλŸ°μ„œκ°€ μ‘΄μž¬ν•˜κΈ°μ— νŠΉμ΄μ‚¬ν•­ μ—†μŒ

NTT Ncloud ν™˜κ²½ μ„œλ²„ 이쀑화

    1. NKS에 μ˜¬λ €μ ΈμžˆλŠ” NTT의 μ„œλ²„λ₯Ό Ncloud에도 λ™μž‘μ‹œμΌœ 이쀑화 μž‘μ—…μ„ ν•˜μ˜€μ§€λ§Œ, Ncloudν™˜κ²½κ³Ό NKS ν™˜κ²½μ΄ μ™„μ „ λ™μΌν•˜μ§€ μ•Šμ•„ λ„μ»€νŒŒμΌμ΄ μ˜¬λ°”λ₯΄κ²Œ λ™μž‘ν•˜μ§€ μ•Šμ•„ μ΅œλŒ€ν•œ λΉ„μŠ·ν•œ ν™˜κ²½μ„ μœ μ§€ν•˜λ˜ DockerνŒŒμΌμ„ ꡬ뢄지어 μƒμ„±ν•˜μ—¬ ν•΄κ²°ν•˜μ˜€μŠ΅λ‹ˆλ‹€.

NTT K8S Nat μ„€μ •

    1. k8s ν™˜κ²½μœΌλ‘œ 배포 μ‹œ μ»¨ν…Œμ΄λ„ˆλŠ” 항상 μœ λ™μ μΈ ipλ₯Ό 가지고 μžˆμ–΄, ACL 처리λ₯Ό νž˜λ“ μ μ„ λ§ˆμ£Όν•˜μ˜€μŠ΅λ‹ˆλ‹€. 이λ₯Ό ν•΄κ²°ν•˜κ³ μž NATλ₯Ό μ„€μ •ν•΄μ£Όμ—ˆκ³  μ»¨ν…Œμ΄λ„ˆμ˜ IPκ°€ 항상 κ³ μ •μ μœΌλ‘œ 할당될 수 μžˆλ„λ‘ μ„€μ •ν•΄μ£Όμ—ˆμŠ΅λ‹ˆλ‹€. ν•΄λ‹Ή μž‘μ—… μ‹œ μ‹€μ œλ‘œ μ»¨ν…Œμ΄λ„ˆ PODμ—μ„œ NATλ₯Ό κ±°μ³μ„œ Destination IP에 λ„λ‹¬ν•˜λŠ”μ§€ 확인을 ν•  수 μ—†λŠ” 문제λ₯Ό λ§ˆμ£Όν•˜μ˜€κ³  이λ₯Ό ν•΄κ²°ν•˜κ³ μž κ°„λ‹¨ν•œ μ›Ή μ„œλ²„λ₯Ό λ§Œλ“€μ–΄ curl을 날렀보며 remote address와 Hostλ₯Ό ν™•μΈν•˜μ—¬ μ‹€μ œλ‘œ NAT λ™μž‘μ„ ν™•μΈν•˜μ˜€μŠ΅λ‹ˆλ‹€.

Kolo Jenkins 배포 문제

    1. Jenkinsκ°€ ν˜„μž¬ Docker ν™˜κ²½ μ»¨ν…Œμ΄λ„ˆλ‘œ ꡬ성이 λ˜μ–΄μžˆλŠ” 상황이며 Kolo μ„œλ²„λ˜ν•œ Jenkins와 같이 μ»¨ν…Œμ΄λ„ˆλ‘œ λŒκ³ μžˆμŠ΅λ‹ˆλ‹€. Jenkins μ»¨ν…Œμ΄λ„ˆμ—μ„œ Kolo μ„œλ²„λ₯Ό μž¬κ°€λ™ ν•΄μ•Όν•˜μ—¬ docker.sockλ₯Ό κ³΅μœ ν•˜μ˜€κ³  μ»¨ν…Œμ΄λ„ˆ λ˜ν•œ κ³΅μœ κ°€ λ˜λŠ”κ²ƒμ„ ν™•μΈν•˜μ˜€μŠ΅λ‹ˆλ‹€. λ‹€λ§Œ, μ»¨ν…Œμ΄λ„ˆλ₯Ό μž¬κ°€λ™ν•˜λŠ” 쀑 일뢀 μ»¨ν…Œμ΄λ„ˆ (nginx, uwsgi)κ°€ stopλ˜μ§€ μ•Šμ•˜κ³  μž¬κ°€λ™ μ‹œ μ€‘λ³΅λœ μ»¨ν…Œμ΄λ„ˆλͺ…이 μžˆλ‹€κ³  였λ₯˜κ°€ λ–  μ»¨ν…Œμ΄λ„ˆ λ‚΄μ—μ„œ serverλ‹¨μœΌλ‘œ ssh을 λΆ™μ—¬ 재배포λ₯Ό μ§„ν–‰ν•˜λ„λ‘ λ³€κ²½ν•˜μ˜€μŠ΅λ‹ˆλ‹€.

NTT Query μ΅œμ ν™”

    1. Djangoμ—μ„œ for문을 돌렀 save μ‚¬μš© μ‹œ N만큼의 μ‹œκ°„μ΄ λ“€μ–΄ μ‚¬μš©μžμ—κ²Œ 데이터 λ°˜ν™˜κΉŒμ§€ μ˜€λž˜κ±Έλ¦¬λŠ” ν˜„μƒμ΄ μžˆμ—ˆμŠ΅λ‹ˆλ‹€. 이λ₯Ό ν•΄κ²°ν•˜κ³ μž bulk_createλ₯Ό ν™œμš©ν•˜μ—¬ μ €μž₯ ν•  데이터듀을 묢음으둜 μ €μž₯ν•˜μ—¬ 쿼리λ₯Ό μ΅œμ ν™” ν•˜μ˜€μŠ΅λ‹ˆλ‹€.

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