ドメイン駆動設計の実際(2020/4/20 DDD Online MeetUp)

AWSの障害対応のせいで登壇できませんでしたが、せめて資料だけでもUPします。。。

Transcript

1. υϝΠϯۦಈઃܭͷ
   ࣮ࡍ
   

   View Slide

2. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
   ·ͣ͸
   ͜Μͳঢ়گʹ΋ؔΘΒͣɺ
   ίϛϡχςΟ׆ಈΛଓ͚ͯ
   ͩͬͨ͘͞MJUUMF@IBOET͞
   Μʹײँ
   

   View Slide

3. w גࣜձࣾ;0;0ςΫϊϩδʔζॴଐ ݄຤·ͰגࣜձࣾΞϥ
   λφ⇛ٵऩ͞Εస੶͠·ͨ͠ʣɹ
   ฐࣾαʔϏε'VMpMMNFOUCZ;0;0ઃܭओ؅ͷҰਓ
   w Ӭԕͷ̏̕ࡀ
   w ීஈ͸όοΫΤϯυଆͷ։ൃ
   w ೝఆεΫϥϜϚελʔ
   w 2JJUB!:BTVIJSP,JNFTBXB
   w 5XJUUFSQJMHSJN@SFET
   w #MPHIUUQTQJMHSJNMJGFTUZMFKQ
   ࣗݾ঺հ
   

   View Slide

4. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
   ࠓճͷࣄྫ
   w ݴޠɿ1ZUIPOʙ ࠓͲ͏ͯ͠΋1ZUIPOͰ%%%΍
   ΔͳΒ͕͓͢͢ΊɻEBUBDMBTTFT͕࢖͑Δ
   
   w "844FSWFSMFTTத৺
   w 4FSWFSMFTT'SBNFXPSL
   w -BNCEB%ZOBNP%#"1*(BUFXBZ
   w ։ൃ౰࣌͸-BNCEBͰ+BWBͳͲͷ੩తݴޠ͸ޚ๏౓
   ͩͬͨ
   

   View Slide

5. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
   ࠓճͷࣄྫ
   4FSWFSMFTTͰ%%%ͱ͍͏͜ͱͰɺ$234ͱ͔ϚΠΫ
   ϩαʔϏεͱ͔ͦΜͳ࿩Λظ଴͞ΕͨΒ͢Έ·ͤ
   Μɻɻɻʢ෼Ͱ͸ޠΕͳ͍ͷͰ͍ͣΕʣ
   

   View Slide

6. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
   ࣌ؒ΋ͳ͍ͷͰ෼ͰޠΕΔ͚ͩίπΛ঺հ
   ᶃ ΞʔΩςΫνϟʹͩ͜ΘΓ͗͢ͳ͍
   ᶄ େࣄͳͷ͸Ϟσϧɻ
   ᶅ ܕ͕ͳ͍ͳΒςετॻ͚
   ᶆ มԽʹඋ͑Αɺͦͯ͠ҙࣝͯ͠มԽͤΑ
   

   View Slide

7. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
   ᶃΞʔΩςΫνϟʹͩ͜ΘΓ͗͢ͳ͍
   $MFBO"SDIJUFDUVSFͱ͔0OJPO"SDIJUFDUVSFͱ͔
   .JDSP4FSWJDFTͱ͔৭ʑ͋Δ͚Ͳɺେࣄͳͷ͸Ϟσ
   ϧɻ
   ґଘͷํ޲ͱ͔΋ؾʹͳΔ͚Ͳͩ͜ΘΓ͗͢ͳ͍ɻ
   ۃ୺ʹݴ͑͹%*ͳͲ࢖Θͣ$POUSPMMFS΍)BOEMFSͰΠ
   ϯελϯε࢖ͬͯ౉ͯ͠΋͍͍͠ɺϞϊϦγοΫͳγ
   εςϜͰ΋͍͍ɻ
   େࣄͳͷ͸·ͣϞσϧ
   

   View Slide

8. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
   ᶄେࣄͳͷ͸Ϟσϧ
   ॳΊͯ%%%Ͱ࣮૷͢Δϝϯόʔ͕ଟ͍ͱϞσϧҎ֎ͷͱ
   ͜ΖͰ࣌ؒΛ͔͚͗͢Δ܏޲͕͋Δɻ
   ϩδοΫʹ͔͚࣌ؒ͗ͯ͢ɺτϥϯβΫγϣϯεΫϦϓ
   τʹͳΓ͕ͪɻ
   େࣄͳͷ͸Ϟσϧ
   Ϋϥεਤɾঢ়ଶભҠਤΛॻ͘ɻҰॹʹϞσϧΛϨϏϡʔ
   ͢Δɻٞ࿦͢ΔɻϞσϧͷݴ༿Λձ࿩Ͱ΋࢖͏ɻ
   Ϟσϧ͕ബ͘ͳ͍͔ɺΞϓϦέʔγϣϯ૚ɺΠϯϑϥ૚
   ͕ॏ͘ͳ͍͔ΛపఈతʹϨϏϡʔ͢Δɻ
   

   View Slide

9. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
   ᶅܕ͕ͳ͍ͳΒςετॻ͚
   1ZUIPOબ୒ͯ͠͠·ͬͯۤ࿑ͨ͠఺ͷҰ͕ͭܕ
   ͕ͳ͍͜ͱɻ
   ςετͰΧόʔ͢Δ͔͠ͳ͍ɻ
   ςετΛॻ͘ɻςετΛϝϯς͢Δʢ࣮ߦʹ࣌
   ͕͔͔ؒΔͱੜ࢈ੑʹӨڹ͕ग़ΔʣɻΧόϨο
   δ̍̌̌ˋ໨ࢦͯ͠΋͍͍ͱࢥ͏ʢ̍̌̌ˋඞ
   ୡͱ͸ݴ͍ͬͯͳ͍ʣ
   ͨͩܕ͕͋ΔݴޠΛબͿͷ͕ϕετͳͷ͸ؒҧ͍ͳ͍
   
   

   View Slide

10. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
    ᶆมԽʹඋ͑ΑɻมԽͤΑɻ
    ࣄۀͷมԽʹιʔείʔυ͕͍ͭͯ͜Εͳ͚Ε͹%%%
    Ͱઃܭ͍ͯ͠Δҙຯ͕ͳ͍ɻ
    ػೳ௥ՃʹϞσϧΛ௥ՃɻɻɻͰ͸ͳ͍ɻ ൿ఻ͷλϨ
    ͷ௥ՃͰ͸͍͔ͭιϑτ΢ΣΞͱͱ΋ʹࣄۀ͕ࢮ͵
    
    ػೳ௥ՃʹࣄۀͷมԽʹϞσϧͷมԽ
    ֶशͨ͜͠ͱΛιʔείʔυʹ൓ө͢ΔνϟϯεͰ΋
    ͋ΔɻΫϥε໊Λݟ௚͢ɻϞδϡʔϧ΍ू໿ͷߏ଄Λ
    ݟ௚͠ɺมߋ͍ͯ͘͜͠ͱ͕େࣄɻ
    

    View Slide

11. $PQZSJHIU˜:BTVIJSP,JNFTBXB"MM3JHIUT3FTFSWFE
    ͍͞͝ʹ
    ஍ຯʹݟ͑Δ͚ͲɺϞσϧʹ࣌ؒΛ͔͚ͳ
    ͍νʔϜ͸݁ߏଟ͍ͷͰ͸ɻ
    ஍ຯͳ͜ͱΛ͖ͪΜͱͰ͖ΔνʔϜ͕ࣄۀ
    Λ੒௕ͤ͞Δ͜ͱ͕Ͱ͖ΔνʔϜͩͱࢥ͍
    ·͢ʢฐ͕ࣾͰ͖͍ͯΔͱ͸ݴ͍ͬͯͳ
    ͍ɻɻɻͱ͍͏ͷ͕൵͍͠ͱ͜Ζʣɻ
    

    View Slide