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TIL
  • README
  • Git
    • Basic
    • Remote Repository
    • Log & Diff
    • Rebase&Cherri-Pick
    • git-flow
  • DevOps
    • Monolithic vs MSA
    • Jenkins ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Build Tools
      • maven
  • ๊ฐœ๋ฐœ ๋ฐฉ๋ฒ•๋ก 
    • TDD
  • Spring
    • IoC
    • Is Spring Bean Thread-Safe?
    • Spring Singleton
    • Component Scan
    • Spring Annotation
    • ์˜์กด ๊ด€๊ณ„ ์ฃผ์ž…(DI)
    • Lombok ํ™œ์šฉํ•˜๊ธฐ
    • Bean ์ƒ๋ช…์ฃผ๊ธฐ์™€ ์ฝœ๋ฐฑ
    • Bean Scope
    • AOP(1) - AOP๋ž€
    • AOP(2) - Aop Proxy
    • AOP(3) - Dynamic Proxy
    • AOP(4) - AspectJ
    • POJO
    • Spring ์„œ๋น„์Šค ๊ตฌ์กฐ
    • Transaction
    • JPA๋ž€?
    • JPA Entity
    • Spring Data JPA
    • Spring Data Specification
    • Model Mapping
    • Cache
    • restTemplate
    • YAML ํŒŒ์ผ ์„ค์ •
    • Spring Boot
      • H2 DB ์„ค์ •
      • ๋‹ค์ค‘ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์„ค์ •
      • Mybatis ์—ฐ๋™ํ•˜๊ธฐ
    • Spring Batch
      • Batch ์‹œ์ž‘ํ•ด๋ณด๊ธฐ
      • Batch Job Flow
      • Job
      • Step
      • Batch Scope & Job Parameter
      • JobRepository์™€ ๋ฉ”ํƒ€ํ…Œ์ด๋ธ”
      • Chunk ์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ
      • ItemReader
      • ItemProcessor
      • ItemWriter
      • Batch Schedular
      • Job๋ณ„ Bean๋“ฑ๋กํ•˜๊ธฐ
      • Batch ๊ตฌํ˜„์‹œ ๋ฐœ์ƒํ•œ ์˜ค๋ฅ˜ ์ •๋ฆฌ
      • Spring Batch Scaling
        • Multithread Job๊ตฌํ˜„์‹œ ์ด์Šˆ์‚ฌํ•ญ
    • Spring test
      • Junit5
        • ํ…Œ์ŠคํŠธ ์ด๋ฆ„ ํ‘œ๊ธฐ
        • ํ…Œ์ŠคํŠธ ๊ทธ๋ฃน ์‚ฌ์ด์˜ ๊ด€๊ณ„
        • ํƒœ๊ทธ์™€ ํ•„ํ„ฐ๋ง
        • ๋™์  ํ…Œ์ŠคํŠธ
        • ํ…Œ์ŠคํŠธ LifeCycle
        • ํ…Œ์ŠคํŠธ ๋ฉ”์„œ๋“œ
        • ํ…Œ์ŠคํŠธ ์ˆœ์„œ
        • AssertJ
        • ํ…Œ์ŠคํŠธ ๋ณ‘๋ ฌ ์‹คํ–‰
        • AssertJ
        • Mock
      • Spring Boot Test DB ๋ถ„๋ฆฌ
      • Spring Batch Test
  • Web Application
    • Web Server & WAS
    • ๊ด€๋ จ ๊ฐœ๋… - HTTP API, HTML, CSR, SSR
    • Servlet
    • JSP
    • Cookie And Session
    • ์˜ˆ์™ธํŽ˜์ด์ง€
    • Java Bean
    • JDBC
    • Connection Pool
    • ํŒŒ์ผ ์—…๋กœ๋“œ
    • Expression Language
    • JSTL
    • FrontControllerํŒจํ„ด Command ํŒจํ„ด
    • Forwarding
    • MVC
    • ํšŒ์›๊ฐ€์ž…์˜ˆ์ œ
    • ์ฐธ๊ณ 
      • ๊ฐœ๋ฐœํ™˜๊ฒฝ์„ค์ •
  • Java+
    • SOAP/WSDL vs REST
    • WSDL์„ JAVA๋กœ ๋ณ€ํ™˜ํ•˜๊ธฐ
    • SOAP ํ†ต์‹  OPEN API๋กœ ๊ฐœ๋ฐœํ•ด๋ณด๊ธฐ
  • Java
    • Basic
      • ๋ณ€์ˆ˜์™€ ํƒ€์ž…
      • ์—ฐ์‚ฐ์ž
      • ์กฐ๊ฑด๋ฌธ๊ณผ ๋ฐ˜๋ณต๋ฌธ
      • ์ฐธ์กฐ ํƒ€์ž…
      • ํด๋ž˜์Šค
      • ์ƒ์†(Inheritance)
      • ์ธํ„ฐํŽ˜์ด์Šค(Interface)
      • ์ค‘์ฒฉ ํด๋ž˜์Šค์™€ ์ค‘์ฒฉ ์ธํ„ฐํŽ˜์ด์Šค
      • ์˜ˆ์™ธ ์ฒ˜๋ฆฌ
      • API - Object, System, Class, Math, Wrapper
      • API - String, StringBuffer, StringBuilder
      • Thread
      • Generic
      • Lambda
      • Collection - List, Set
      • Collection - Map
      • Collection - Tree
      • Collection - Stack, Queue
      • Stream
      • Reflection
      • ์ •๊ทœํ‘œํ˜„์‹
      • GUI
      • UML
      • Serializable
    • Advanced
      • OutOfMemoryError
      • AutoValue
      • meta-annotation
        • @Retention
        • @Target
        • @Repeatable
    • Effective Java 3/E
      • ITEM 1: Static Factory Method(์ •์  ๋ฉ”์†Œ๋“œ)
      • ITEM 2: Builder Pattern
      • ITEM 3: Singleton
      • ITEM 4: Private Constructor
      • ITEM 5: Dependency Injection
      • ITEM 6: Avoid Unnecessary Object
      • ITEM 7: Eliminate Object Reference
      • ITEM 8: Avoid finalizer and cleaner
      • ITEM 9: try-with-resources
      • ITEM 10: The gerneral contract when overriding equlas
      • ITEM 11: Overriding hashCode
      • ITEM 12: overriding toString
      • ITEM 13: overriding clone judiciously
      • ITEM 14: Consider implementing comparable
      • ITEM 15: ํด๋ž˜์Šค์™€ ๋ฉค๋ฒ„์˜ ์ ‘๊ทผ์„ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 16: Use Accessor methods
      • ITEM 17: ๋ณ€๊ฒฝ ๊ฐ€๋Šฅ์„ฑ์„ ์ตœ์†Œํ™”ํ•ด๋ผ(๋ถˆ๋ณ€ ํด๋ž˜์Šค)
      • ITEM 18: ์ƒ์†๋ณด๋‹จ ์ปดํฌ์ง€์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 19: ์ƒ์†์„ ๊ณ ๋ คํ•ด ์„ค๊ณ„ํ•˜๊ณ  ๋ฌธ์„œํ™”ํ•ด๋ผ
      • ITEM 20: ์ถ”์ƒ ํด๋ž˜์Šค๋ณด๋‹ค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์šฐ์„ ํ•˜๋ผ
      • ITEM 21: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ๊ตฌํ˜„ํ•˜๋Š” ์ชฝ์„ ์ƒ๊ฐํ•ด ์„ค๊ณ„ํ•ด๋ผ.
      • ITEM 22: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ํƒ€์ž…์„ ์ •์˜ํ•˜๋Š” ์šฉ๋„๋กœ๋งŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 23: ํƒœ๊ทธ ๋‹ฌ๋ฆฐ ํด๋ž˜์Šค๋ณด๋‹ค ํด๋ž˜์Šค ๊ณ„์ธต๊ตฌ์กฐ๋ฅผ ํ™œ์šฉํ•ด๋ผ
      • ITEM 24: ๋ฉค๋ฒ„ ํด๋ž˜์Šค๋Š” ๋˜๋„๋ก static์œผ๋กœ ๊ตฌํ˜„ํ•ด๋ผ
      • ITEM 25: ํ†ฑ๋ ˆ๋ฒจ ํด๋ž˜์Šค๋Š” ํ•œ ํŒŒ์ผ์— ํ•˜๋‚˜๋งŒ ์ƒ์„ฑํ•ด๋ผ.
      • ITEM 26: Raw type์€ ์‚ฌ์šฉํ•˜์ง€ ๋งˆ๋ผ
      • ITEM 27: ๋น„๊ฒ€์‚ฌ ๊ฒฝ๊ณ ๋ฅผ ์ œ๊ฑฐํ•ด๋ผ
      • ITEM 28: ๋ฐฐ์—ด๋ณด๋‹ค๋Š” ๋ฆฌ์ŠคํŠธ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 29: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ํƒ€์ž…์œผ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 30: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ๋ฉ”์„œ๋“œ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 31 : ํ•œ์ •์  ์™€์ผ๋“œ์นด๋“œ๋ฅผ ์‚ฌ์šฉํ•ด API ์œ ์—ฐ์„ฑ์„ ๋†’์—ฌ๋ผ
      • ITEM 32: ์ œ๋„ค๋ฆญ๊ณผ ๊ฐ€๋ณ€์ธ์ˆ˜๋ฅผ ํ•จ๊ป˜ ์“ธ ๋•Œ๋Š” ์‹ ์ค‘ํ•ด๋ผ
      • ITEM 33: ํƒ€์ž… ์•ˆ์ „ ์ด์ข… ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๊ณ ๋ คํ•ด๋ผ
      • ITEM 34: int ์ƒ์ˆ˜ ๋Œ€์‹  ์—ด๊ฑฐ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 35: ordinal ๋ฉ”์„œ๋“œ ๋Œ€์‹  ์ธ์Šคํ„ด์Šค ํ•„๋“œ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 36: ๋น„ํŠธ ํ•„๋“œ ๋Œ€์‹  EnumSet์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 37: ordinal ์ธ๋ฑ์‹ฑ ๋Œ€์‹  EnumMap์„ ์‚ฌ์šฉํ•ด๋ผ
      • TEM 38 : ํ™•์žฅํ•  ์ˆ˜ ์žˆ๋Š” ์—ด๊ฑฐํƒ€์ž…์ด ํ•„์š”ํ•˜๋ฉด ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 39: ๋ช…๋ช… ํŒจํ„ด๋ณด๋‹ค ์• ๋„ˆํ…Œ์ด์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 40: @Override ์–ด๋…ธํ…Œ์ด์…˜์„ ์ผ๊ด€๋˜๊ฒŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 41: ์ •์˜ํ•˜๋ ค๋Š” ๊ฒƒ์ด ํƒ€์ž…์ด๋ผ๋ฉด ๋งˆ์ปค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 42: ์ต๋ช… ํด๋ž˜์Šค๋ณด๋‹ค๋Š” ๋žŒ๋‹ค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 43: ๋žŒ๋‹ค๋ณด๋‹ค๋Š” ๋ฉ”์„œ๋“œ ์ฐธ์กฐ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 44: ํ‘œ์ค€ ํ•จ์ˆ˜ํ˜• ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 45: ์ŠคํŠธ๋ฆผ์€ ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 46: ์ŠคํŠธ๋ฆผ์—์„œ ๋ถ€์ž‘์šฉ ์—†๋Š” ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 47: ๋ฐ˜ํ™˜ ํƒ€์ž…์œผ๋กœ๋Š” ์ŠคํŠธ๋ฆผ๋ณด๋‹ค ์ปฌ๋ ‰์…˜์ด ๋‚ซ๋‹ค.
      • ITEM 48: ์ŠคํŠธ๋ฆผ ๋ณ‘๋ ฌํ™”๋Š” ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 49: ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์œ ํšจํ•œ์ง€ ๊ฒ€์‚ฌํ•ด๋ผ
      • ITEM 50: ์ ์‹œ์— ๋ฐฉ์–ด์  ๋ณต์‚ฌ๋ณธ์„ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 51: ๋ฉ”์„œ๋“œ ์‹œ๊ทธ๋‹ˆ์ฒ˜๋ฅผ ์‹ ์ค‘ํžˆ ์„ค๊ณ„ํ•ด๋ผ
      • ITEM 52: ๋‹ค์ค‘์ •์˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 53: ๊ฐ€๋ณ€์ธ์ˆ˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 54: null์ด ์•„๋‹Œ, ๋นˆ ์ปฌ๋ ‰์…˜์ด๋‚˜ ๋ฐฐ์—ด์„ ๋ฐ˜ํ™˜ํ•ด๋ผ
      • ITEM 55: Optional ๋ฐ˜ํ™˜์€ ์‹ ์ค‘ํ•˜๊ฒŒ ํ•ด๋ผ
      • ITEM 56: ๊ณต๊ฐœ๋œ API ์š”์†Œ์—๋Š” ํ•ญ์ƒ ์ฃผ์„์„ ์ž‘์„ฑํ•ด๋ผ
      • ITEM 57: ์ง€์—ญ๋ณ€์ˆ˜์˜ ๋ฒ”์œ„๋ฅผ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 58: ์ „ํ†ต์ ์ธ for ๋ฌธ๋ณด๋‹ค๋Š” for-each๋ฌธ์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 59: ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์ตํžˆ๊ณ  ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 60: ์ •ํ™•ํ•œ ๋‹ต์ด ํ•„์š”ํ•˜๋‹ค๋ฉด float์™€ double์€ ํ”ผํ•ด๋ผ
      • ITEM 61: ๋ฐ•์‹ฑ๋œ ๊ธฐ๋ณธ ํƒ€์ž…๋ณด๋‹ค๋Š” ๊ธฐ๋ณธ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 62: ๋‹ค๋ฅธ ํƒ€์ž…์ด ์ ์ ˆํ•˜๋‹ค๋ฉด ๋ฌธ์ž์—ด ์‚ฌ์šฉ์„ ํ”ผํ•ด๋ผ
      • ITEM 63: ๋ฌธ์ž์—ด ์—ฐ๊ฒฐ์€ ๋А๋ฆฌ๋‹ˆ ์ฃผ์˜ํ•ด๋ผ
      • ITEM 64: ๊ฐ์ฒด๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด ์ฐธ์กฐํ•ด๋ผ
      • ITEM 65: ๋ฆฌํ”Œ๋ ‰์…˜๋ณด๋‹ค๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 66: ๋„ค์ดํ‹ฐ๋ธŒ ๋ฉ”์„œ๋“œ๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 67: ์ตœ์ ํ™”๋Š” ์‹ ์ค‘ํžˆ ํ•ด๋ผ
      • ITEM 68: ์ผ๋ฐ˜์ ์œผ๋กœ ํ†ต์šฉ๋˜๋Š” ๋ช…๋ช… ๊ทœ์น™์„ ๋”ฐ๋ผ๋ผ
    • ๊ฐ์ฒด์ง€ํ–ฅ ์„ค๊ณ„ ์›์น™(SOLID)
    • ๋””์ž์ธํŒจํ„ด
      • Strategy Pattern
      • Template Method Pattern
      • Factory Method Pattern
      • Singleton
      • Delegation
      • Proxy
      • Adapter Pattern
    • ์‹ค์Šต
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Vehicle
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Remote
      • GUI ์‹ค์Šต - Calculator
      • GUI ์‹ค์Šต - button
      • GUI ์‹ค์Šต - lotto
      • Thread ์‹ค์Šต - ์ขŒ์„์˜ˆ์•ฝ, ๋ฉ”์„ธ์ง€๋ณด๋‚ด๊ธฐ
    • Jar vs War
  • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
    • KEY
    • Index
    • Transaction
    • Trigger
    • Procedure / Function
    • Package
    • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋ฐฐ์›€ํ„ฐ
      • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์‹œ์Šคํ…œ
      • ๊ด€๊ณ„๋ฐ์ดํ„ฐ ๋ชจ๋ธ
      • ๊ด€๊ณ„๋Œ€์ˆ˜์™€ SQL
    • MySQL
      • Database๋ž€
      • MySQL ์‹œ์ž‘ํ•˜๊ธฐ
      • MySQL Database
      • MySQL Table
      • CRUD
      • ๊ด€๊ณ„ํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
      • Server์™€ Client
    • PostgreSQL
    • NoSQL
      • Install Cassandra on mac
      • Cassandra๋ž€?
      • NiFi๋ž€
  • Algorithm
    • String
    • Recursion
    • Dynamic Programming
    • Array, Struct, Pointer
    • Math
    • Sort
    • List
    • Stack
    • Queue
    • Graph
    • Tree
    • Maze
    • AVL
    • ์ด์ง„ํƒ์ƒ‰ํŠธ๋ฆฌ(Binary Search Tree)
    • DFS์™€ BFS
    • ๋‹ค์ต์ŠคํŠธ๋ผ ์•Œ๊ณ ๋ฆฌ์ฆ˜(Dijkstra's Algorithm)
    • Red-Black ํŠธ๋ฆฌ
    • A* ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • Heap
    • Huffman Coding
    • Priority Queue
    • Bellman-Ford ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • C++
      • Class
      • STL
        • STL pair
        • STL Container - Associate Container
        • STL Container - Sequence Container
        • STL Container - Container Adapter
  • JavaScript
    • JABASCRIPT BASIC
    • Shallow Copy vs Deep Copy
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  • Web Server
  • Apache
  • WAS(Web Application Service)
  • Apache Tomcat
  • Web Server(Apache) vs WAS(Apache Tomcat)
  • ์ฐธ์กฐ ํŽ˜์ด์ง€

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  1. Web Application

Web Server & WAS

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Web Server

  • ์›น์„œ๋ฒ„ = HTTP ํ”„๋กœํ† ์ฝœ(GET, POST, DELETE)๋กœ ์š”์ฒญ์ด ์™”์„๋•Œ ์‘๋‹ต

  • ์ •์ ์ธ ๋ฐ์ดํ„ฐ๋งŒ ์ฒ˜๋ฆฌํ•œ๋‹ค.(HTML,CSS, JS, ์ด๋ฏธ์ง€, ์˜์ƒ ๋“ฑ)

  • ์ •์  ๋ฆฌ์†Œ์Šค ์ œ๊ณต, ๊ธฐํƒ€ ๋ถ€๊ฐ€๊ธฐ๋Šฅ

  • port:80

  • Ngnix, Apache

Apache

์•„ํŒŒ์น˜ ์†Œํ”„ํŠธ์›จ์–ด ์žฌ๋‹จ์˜ ์˜คํ”ˆ์†Œ์Šค ํ”„๋กœ์ ํŠธ์ด๋‹ค. ์ผ๋ช… ์›น์„œ๋ฒ„๋กœ ๋ถˆ๋ฆฌ๋ฉฐ, ํด๋ผ์ด์–ธํŠธ ์š”์ฒญ์ด ์™”์„๋•Œ๋งŒ ์‘๋‹ตํ•˜๋Š” ์ •์  ์›นํŽ˜์ด์ง€์— ์‚ฌ์šฉ๋œ๋‹ค.

์•„ํŒŒ์น˜๋งŒ ์“ฐ๋ฉด ์ •์ ์ธ ์›นํŽ˜์ด์ง€๋งŒ ์ฒ˜๋ฆฌํ•˜๋ฏ€๋กœ ์ฒ˜๋ฆฌ์†๋„๊ฐ€ ๋งค์šฐ ๋น ๋ฅด๊ณ  ์•ˆ์ •์ ์ด๋‹ค.

WAS(Web Application Service)

  • HTTP ๊ธฐ๋ฐ˜ ๋™์ž‘

  • ์›น ์„œ๋ฒ„ ๊ธฐ๋Šฅ ํฌํ•จ ( + ์ •์  ๋ฆฌ์†Œ์Šค ์ œ๊ณต ๊ฐ€๋Šฅ )

  • ์ปจํ…Œ์ด๋„ˆ, ์›น ์ปจํ…Œ์ด๋„ˆ, ์„œ๋ธ”๋ฆฟ ์ปจํ…Œ์ด๋„ˆ๋ผ๊ณ  ๋ถ€๋ฆ„

  • ํ”„๋กœ๊ทธ๋žจ ์ฝ”๋“œ๋ฅผ ์‹คํ–‰ํ•˜์—ฌ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ๋กœ์ง ์ˆ˜ํ–‰

    • ๋™์  HTTP, HTTP API(JSON)

    • JSP, Servlet, HTTP์š”์ฒญ ์ˆ˜์‹  ๋ฐ ์‘๋‹ต

    • ๋™์ ์ธ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ ๊ฐ€๋Šฅ(DB ์—ฐ๊ฒฐ, ๋ฐ์ดํ„ฐ ์กฐ์ž‘, ๋‹ค๋ฅธ ์‘์šฉํ”„๋กœ๊ทธ๋žจ๊ณผ ์ƒํ˜ธ์ž‘์šฉ)

  • port:8080

  • Tomcat, Jetty, Undertow

Apache Tomcat

Tomcat์€ dynamic(๋™์ )์ธ ์›น์„ ๋งŒ๋“ค๊ธฐ ์œ„ํ•œ ์›น ์ปจํ…Œ์ด๋„ˆ, ์„œ๋ธ”๋ฆฟ ์ปจํ…Œ์ด๋„ˆ๋ผ๊ณ  ๋ถˆ๋ฆฌ๋ฉฐ, ์›น์„œ๋ฒ„์—์„œ ์ •์ ์œผ๋กœ ์ฒ˜๋ฆฌํ•ด์•ผํ•  ๋ฐ์ดํ„ฐ๋ฅผ ์ œ์™ธํ•œ JSP, ASP, PHP ๋“ฑ์€ ์›น ์ปจํ…Œ์ด๋„ˆ(tomcat)์— ์ „๋‹ฌํ•œ๋‹ค.

Tomcat์€ ํ”ํžˆ WAS(Web Application Service)๋ผ๊ณ  ํ•˜๋ฉฐ, ์›น ์„œ๋ฒ„์™€ ์›น ์ปจํ…Œ์ด๋„ˆ์˜ ๊ฒฐํ•ฉ์œผ๋กœ ๋‹ค์–‘ํ•œ ๊ธฐ๋Šฅ์„ ์ปจํ…Œ์ด๋„ˆ์— ๊ตฌํ˜„ํ•˜์—ฌ ๋‹ค์–‘ํ•œ ์—ญํ• ์„ ์ˆ˜ํ–‰ํ•œ๋‹ค.

Web Server(Apache) vs WAS(Apache Tomcat)

Apache(Web Server)์™€ Apache Tomcat(WAS)๋ฅผ ๊ตฌ๋ถ„ํ•˜๋Š” ์ด์œ ๋Š” ๋ญ˜๊นŒ?

  • Web Server๊ฐ€ ํ•„์š”ํ•œ ์ด์œ ?

    Web Server๋ฅผ ํ†ตํ•ด ์ •์ ์ธ ํŒŒ์ผ๋“ค์„ Application Server๊นŒ์ง€ ๊ฐ€์ง€ ์•Š๊ณ  ์•ž๋‹จ์—์„œ ๋น ๋ฅด๊ฒŒ ๋ณด๋‚ด์ค„ ์ˆ˜ ์žˆ๋‹ค.

    ๋”ฐ๋ผ์„œ Web Server์—์„œ๋Š” ์ •์  ์ปจํ…์ธ ๋งŒ ์ฒ˜๋ฆฌํ•˜๋„๋ก ๊ธฐ๋Šฅ์„ ๋ถ„๋ฐฐํ•˜์—ฌ ์„œ๋ฒ„์˜ ๋ถ€๋‹ด์„ ์ค„์ผ ์ˆ˜ ์žˆ๋‹ค.

  • WAS๊ฐ€ ํ•„์š”ํ•œ ์ด์œ ?

    ์‚ฌ์šฉ์ž์˜ ์š”์ฒญ์— ๋งž๊ฒŒ ์ ์ ˆํ•œ ๋™์  ์ปจํ…์ธ ๋ฅผ ๋งŒ๋“ค์–ด์„œ ์ œ๊ณตํ•ด์•ผ ํ•œ๋‹ค. ์ด๋•Œ, Web Server๋งŒ์„ ์ด์šฉํ•œ๋‹ค๋ฉด ์‚ฌ์šฉ์ž๊ฐ€ ์›ํ•˜๋Š” ์š”์ฒญ์— ๋Œ€ํ•œ ๊ฒฐ๊ณผ๊ฐ’์„ ๋ชจ๋‘ ๋ฏธ๋ฆฌ ๋งŒ๋“ค์–ด ๋†“๊ณ  ์„œ๋น„์Šค๋ฅผ ํ•ด์•ผ ํ•œ๋‹ค. ํ•˜์ง€๋งŒ ์ด๋ ‡๊ฒŒ ์ˆ˜ํ–‰ํ•˜๊ธฐ์—๋Š” ์ž์›์ด ์ ˆ๋Œ€์ ์œผ๋กœ ๋ถ€์กฑํ•˜๋‹ค. ๋”ฐ๋ผ์„œ WAS๋ฅผ ํ†ตํ•ด ์š”์ฒญ์— ๋งž๋Š” ๋ฐ์ดํ„ฐ๋ฅผ DB์—์„œ ๊ฐ€์ ธ์™€์„œ ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง์— ๋งž๊ฒŒ ๊ทธ๋•Œ ๊ทธ๋•Œ ๊ฒฐ๊ณผ๋ฅผ ๋งŒ๋“ค์–ด์„œ ์ œ๊ณตํ•จ์œผ๋กœ์จ ์ž์›์„ ํšจ์œจ์ ์œผ๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.

  • WAS์™€ Web Server์˜ ๋ถ„๋ฆฌ ์ด์œ 

    • ์„œ๋ฒ„ ๋ถ€ํ•˜ ๋ฐฉ์ง€

      WAS๋Š” DB ์กฐํšŒ๋‚˜ ๋‹ค์–‘ํ•œ ๋กœ์ง์„ ์ฒ˜๋ฆฌํ•˜๋А๋ผ ๋ฐ”์˜๊ธฐ ๋•Œ๋ฌธ์— ๋‹จ์ˆœํ•œ ์ •์  ์ปจํ…์ธ ๋Š” Web Server์—์„œ ๋น ๋ฅด๊ฒŒ ํด๋ผ์ด์–ธํŠธ์— ์ œ๊ณตํ•˜๋Š” ๊ฒƒ์ด ์ข‹๋‹ค. WAS๋Š” ๊ธฐ๋ณธ์ ์œผ๋กœ ๋™์  ์ปจํ…์ธ ๋ฅผ ์ œ๊ณตํ•˜๊ธฐ ์œ„ํ•ด ์กด์žฌํ•˜๋Š” ์„œ๋ฒ„์ด๋‹ค. ๋งŒ์•ฝ ์ •์  ์ปจํ…์ธ  ์š”์ฒญ๊นŒ์ง€ WAS๊ฐ€ ์ฒ˜๋ฆฌํ•œ๋‹ค๋ฉด ์ •์  ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ๋กœ ์ธํ•ด ๋ถ€ํ•˜๊ฐ€ ์ปค์ง€๊ฒŒ ๋˜๊ณ , ๋™์  ์ปจํ…์ธ ์˜ ์ฒ˜๋ฆฌ๊ฐ€ ์ง€์—ฐ๋จ์— ๋”ฐ๋ผ ์ˆ˜ํ–‰ ์†๋„๊ฐ€ ๋А๋ ค์ง„๋‹ค. ์ฆ‰, ์ด๋กœ ์ธํ•ด ํŽ˜์ด์ง€ ๋…ธ์ถœ ์‹œ๊ฐ„์ด ๋Š˜์–ด๋‚˜๊ฒŒ ๋  ๊ฒƒ์ด๋‹ค.

    • SSL์— ๋Œ€ํ•œ ์•”๋ณตํ˜ธํ™” ์ฒ˜๋ฆฌ์— Web Server๋ฅผ ์‚ฌ์šฉํ•ด ๋ฌผ๋ฆฌ์ ์œผ๋กœ ๋ถ„๋ฆฌํ•˜์—ฌ ๋ณด์•ˆ ๊ฐ•ํ™”

    • ์—ฌ๋Ÿฌ ๋Œ€์˜ WAS๋ฅผ ์—ฐ๊ฒฐ ๊ฐ€๋Šฅ

      ํŠนํžˆ ๋Œ€์šฉ๋Ÿ‰ ์›น ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์˜ ๊ฒฝ์šฐ(์—ฌ๋Ÿฌ ๊ฐœ์˜ ์„œ๋ฒ„ ์‚ฌ์šฉ) Web Server์™€ WAS๋ฅผ ๋ถ„๋ฆฌํ•˜์—ฌ ๋ฌด์ค‘๋‹จ ์šด์˜์„ ์œ„ํ•œ ์žฅ์•  ๊ทน๋ณต์— ์‰ฝ๊ฒŒ ๋Œ€์‘ํ•  ์ˆ˜ ์žˆ๋‹ค.

      ์˜ˆ๋ฅผ ๋“ค์–ด, ์•ž ๋‹จ์˜ Web Server์—์„œ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•œ WAS๋ฅผ ์ด์šฉํ•˜์ง€ ๋ชปํ•˜๋„๋ก ํ•œ ํ›„ WAS๋ฅผ ์žฌ์‹œ์ž‘ํ•จ์œผ๋กœ์จ ์‚ฌ์šฉ์ž๋Š” ์˜ค๋ฅ˜๋ฅผ ๋А๋ผ์ง€ ๋ชปํ•˜๊ณ  ์ด์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.

    • ์—ฌ๋Ÿฌ ์›น ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ์„œ๋น„์Šค ๊ฐ€๋Šฅ

์ฆ‰, ์ž์› ์ด์šฉ์˜ ํšจ์œจ์„ฑ ๋ฐ ์žฅ์•  ๊ทน๋ณต, ๋ฐฐํฌ ๋ฐ ์œ ์ง€๋ณด์ˆ˜์˜ ํŽธ์˜์„ฑ ์„ ์œ„ํ•ด Web Server์™€ WAS๋ฅผ ๋ถ„๋ฆฌํ•œ๋‹ค. Web Server๋ฅผ WAS ์•ž์— ๋‘๊ณ  ํ•„์š”ํ•œ WAS๋“ค์„ Web Server์— ํ”Œ๋Ÿฌ๊ทธ์ธ ํ˜•ํƒœ๋กœ ์„ค์ •ํ•˜๋ฉด ๋”์šฑ ํšจ์œจ์ ์ธ ๋ถ„์‚ฐ ์ฒ˜๋ฆฌ๊ฐ€ ๊ฐ€๋Šฅํ•˜๋‹ค.

์ฐธ์กฐ ํŽ˜์ด์ง€

[Web] Web Server์™€ WAS์˜ ์ฐจ์ด์™€ ์›น ์„œ๋น„์Šค ๊ตฌ์กฐ
์•„ํŒŒ์น˜ ํ†ฐ์บฃ์ด๋ž€ ?
๋ง๋‚˜๋‹ˆ ๊ฐœ๋ฐœ์ž
https://gmlwjd9405.github.io/images/web/static-vs-dynamic.png
https://gmlwjd9405.github.io/images/web/web-service-architecture.png