実践して分かったJavaマイクロサービス開発 #JavaDayTokyo

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୩ຊ ৺  Acroquest Technologyגࣜձࣾ

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am I? 2 • ୩ຊ ৺ (Shin Tanimoto) - Acroquest Technology גࣜձࣾ - Javaτϥϒϧγϡʔλʔ - ೔ຊJavaϢʔβάϧʔϓװࣄ  Twitter : @cero_t - Facebook : shin.tainmoto

© Acroquest Technology Co., Ltd. All rights reserved. 1ষ ϚΠΫϩαʔϏε 2ষ ਐԽతΞʔΩςΫτ 3ষ αʔϏεͷ  ɹɹϞσϧԽํ๏ 4ষ ౷߹ 5ষ ϞϊϦεͷ෼ׂ 6ষ σϓϩΠ 14 7ষ ςετ 8ষ ؂ࢹ 9ষ ηΩϡϦςΟ 10ষ ίϯ΢ΣΠͷ๏ଇͱ  ɹɹ γεςϜઃܭ 11ষ େن໛ͳ  ɹɹ ϚΠΫϩαʔϏε 12ষ ·ͱΊ

© Acroquest Technology Co., Ltd. All rights reserved. 1.1 ϚΠΫϩαʔϏεͱ͸ 1.1.1 খ͘͞ɺ͔ͭ1ͭͷ໾ׂʹઐ೦ 1.1.2 ࣗ཯ੑ 1.2 ओͳར఺ 1.2.1 ٕज़ҟ࣭ੑ 1.2.2 ճ෮ੑ 1.2.3 εέʔϦϯά 1.2.4 σϓϩΠͷ༰қੑ 1.2.5 ૊৫໘ͷҰக 1.2.6 ߹੒Մೳੑ 1.2.7 ަ׵Մೳʹ͢ΔͨΊͷ࠷దԽ 15

© Acroquest Technology Co., Ltd. All rights reserved. ঃʑʹߏ੒มߋ 1. αʔόαΠυϨϯμϦϯάܥͷγεςϜ  ɹɹˣ 2. ߪೖαΠτΛHTML5 + WebAPIʹ෼ׂ  ɹɹˣ 3. όοΫΤϯυγεςϜΛϚΠΫϩαʔϏεԽ  ɹɹˣ 4. ؅ཧը໘ΛϚΠΫϩαʔϏεԽ  ɹɹˣ 5. ߪೖαΠτΛϚΠΫϩαʔϏεԽ 21 1. ϚΠΫϩαʔϏεԽ΁ͷऔΓ૊Έ

© Acroquest Technology Co., Ltd. All rights reserved. 2. ·ͣ͸APIԽ ΍ͬͨ͜ͱ 1. Struts2 + Hibernateͷ  αʔόαΠυϨϯμϦϯάܥγεςϜΛɺ  Angular1 + SpringMVCͰWeb APIԽ 2. AWS্Ͱ։ൃ/ߏங 3. యܕతͳτϥϯβΫγϣϯεΫϦϓτ • Controller • Service • Dao 23

© Acroquest Technology Co., Ltd. All rights reserved. 2. ·ͣ͸APIԽ ࣦഊͨ͜͠ͱ 1. APIΛը໘ʹಛԽ͗ͨ͢͠ʢ࠶ར༻ͮ͠Β͍ʣ • ঎඼৘ใɺࡏݿɺྉۚΛɺ·ͱΊͯฦ͢API • ͨͿΜ͜ΕAPIԽ͋Δ͋Δͩͱࢥ͏ 2. ങ͍෺͔͝ΛηογϣϯʹೖΕͨ • εςΟοΩʔηογϣϯʹͤ͟ΔΛಘͣɺ  ࠶σϓϩΠ΍ɺεέʔϧΞ΢τɺεέʔϧΠϯ͕  ͮ͠Β͍ߏ੒ʹͳͬͯ͠·ͬͨɻ 25

© Acroquest Technology Co., Ltd. All rights reserved. 2. ·ͣ͸APIԽ ࠔͬͨ͜ͱ 1. APIαʔόͷεέʔϧΞ΢τ • APIαʔόΛ૿΍ͨ͢ͼʹɺ • Webαʔό (nginx) ͷઃఆΛ • ॻ͖׵͑ͳͯ͘͸͍͚ͳ͍ɻ  ɹˠ Webαʔό͸localhostͷAPIαʔόͷΈʹ  ɹɹసૹ͢ΔܗͰɺWeb + APIͷηοτͰ૿΍͢ɻ 26

© Acroquest Technology Co., Ltd. All rights reserved. 2. ·ͣ͸APIԽ ࣍ʹ޲͚ͯ 1. APIΛը໘ʹಛԽ͗ͨ͢͠ • ϚΠΫϩαʔϏεͱ͍͏ݴ༿͕͋ΔΒ͍͠ɻಋೖ͍ͨ͠ɻ 2. ങ͍෺͔͝ΛηογϣϯʹೖΕͨ • εςʔτϨεߏ੒ʹ͍ͨ͠ 3. APIαʔόͷεέʔϧΞ΢τ • ϩʔυόϥϯγϯάͷपΓΛࣗಈԽ͍ͨ͠ 4. ٸʹʮॲཧΛඇಉظʹ͢Δʯͱ͍͏ཁ͕݅ු্ • ඇಉظॲཧͷ࢓૊ΈΛඪ४Խ͍ͨ͠ 28

© Acroquest Technology Co., Ltd. All rights reserved. 3. ϚΠΫϩαʔϏετϥΠΞϧୈҰ஄ ΍ͬͨ͜ͱ 1. όοΫΤϯυͷॲཧΛϚΠΫϩαʔϏεͰ࡞੒ • ঎඼৘ใαʔϏεɺࡏݿαʔϏεɺྉۚαʔϏεͳͲʹ෼ׂ 2. ॲཧͷڞ௨Խ • ಉظ HTTPʢ໭Γ஋͋Γʣ • ඇಉظ AMQPʢ໭Γ஋ͳ͠ʣ • RabbitMQΛ࠾༻ • ඇಉظ AMQPʢ໭Γ஋ or ίʔϧόοΫؔ਺ʣ • ඇಉظ HTTPʢ໭Γ஋ or ίʔϧόοΫؔ਺ʣ • ͜ΕΒ͸ར༻͠ͳ͍ 31

© Acroquest Technology Co., Ltd. All rights reserved. 3. ϚΠΫϩαʔϏετϥΠΞϧୈҰ஄ ޻෉ͨ͜͠ͱ 1. ಉظॲཧɺඇಉظॲཧͱ΋ʹɺ  ґଘΛ໌֬Խ͢Δ 33 ItemService  (interface) ItemAccessor  (Client) ItemController  (Server) HTTP  AMQP implements implements

© Acroquest Technology Co., Ltd. All rights reserved. 3. ϚΠΫϩαʔϏετϥΠΞϧୈҰ஄ ޻෉ͨ͜͠ͱ 2. αʔϏεσΟεΧόϦʢEurekaʣͷಋೖ 37 Eureka  Server ItemAccessor  (Client) ItemController  (Server) ᶄhttp://item-service/  ɹΛ໰͍ձΘͤ

© Acroquest Technology Co., Ltd. All rights reserved. 3. ϚΠΫϩαʔϏετϥΠΞϧୈҰ஄ ޻෉ͨ͜͠ͱ 2. αʔϏεσΟεΧόϦʢEurekaʣͷಋೖ 38 Eureka  Server ItemAccessor  (Client) ItemController  (Server) ᶅItemServiceͷ  ɹϗετ໊ͱ  ɹϙʔτ൪߸Λ  ɹฦ͢ʢෳ਺Մʣ

© Acroquest Technology Co., Ltd. All rights reserved. 3. ϚΠΫϩαʔϏετϥΠΞϧୈҰ஄ ޻෉ͨ͜͠ͱ 2. αʔϏεσΟεΧόϦʢEurekaʣͷಋೖ • αʔϏεΛʮԿ୆ʯʮͲͷαʔόͰʯ  ʮͲͷϙʔτͰʯىಈͯ͠΋ྑ͍  ɹˠ εέʔϧͷࣗ༝Խ • Spring Boot + Spring CloudΛ࢖͏͜ͱͰ  ਺ߦͷઃఆ͚ͩͰར༻Մʢʂʣ 40

© Acroquest Technology Co., Ltd. All rights reserved. 3. ϚΠΫϩαʔϏετϥΠΞϧୈҰ஄ ޻෉ͨ͜͠ͱ 3. JUnitͷൣғΛ໌֬Խ • ControllerҎ߱ͷςετʢJUnitʣ • αʔϏεͷػೳ୯ମςετ • αʔϏε୯ମͰͷend-to-endͷςετʢJUnit) • Spring BootͳΒJUnitͰ؆୯ʹͰ͖Δ • ओʹม׵ͱόϦσʔγϣϯͷࢼݧ • ֎෦αʔϏεݺͼग़͠෦෼͸ϞοΫԽ 41

© Acroquest Technology Co., Ltd. All rights reserved. 4. ϚΠΫϩαʔϏετϥΠΞϧୈೋ஄ ࠔͬͨ͜ͱ 1. ୈҰ஄Ͱ࢖͍ٕͬͯͨज़ελοΫͱͷޓ׵ੑ • ୈҰ஄ : Spring Boot 1.2 + Spring Cloud Angel • ୈೋ஄ : Spring Boot 1.3 + Spring Cloud Brixton  ɹˠ AngelͷEurekaʹ  ɹɹBrixtonͷαʔϏεΛొ࿥Ͱ͖ͳ͍  ɹˠ BrixtonͷEurekaʹ  ɹɹAngelͷαʔϏε͸ొ࿥Ͱ͖ͨ 53

© Acroquest Technology Co., Ltd. All rights reserved. 4. ϚΠΫϩαʔϏετϥΠΞϧୈೋ஄ ޻෉ͨ͜͠ͱ 1. ϞχλϦϯάͱΞϥʔτ • CloudWatch + ΧελϜϝτϦΫεͰऩू • Ϧιʔε৘ใʢCPUɺϝϞϦɺσΟεΫʣ • ϓϩηε৘ใʢࢮ׆ʣ • ϩά͸CloudWatch LogsͱElasticsearchʹू໿ • ϩά؂ࢹ͸CloudWatchͰ࣮ࢪ • ϩά෼ੳΛElasticsearchͰ࣮ࢪ 56

© Acroquest Technology Co., Ltd. All rights reserved. 5. ϚΠΫϩαʔϏετϥΠΞϧୈࡾ஄ ΍ͬͨ͜ͱ 1. ߪೖը໘ͷϚΠΫϩαʔϏεԽ • ঎඼৘ใαʔϏεɺࡏݿαʔϏεɺ  ྉۚαʔϏεͳͲΛ௥Ճ։ൃ 2. ٕज़ελοΫ • Spring Bootʢ1.3ܥʣ • Spring CloudʢBrixtonܥʣ • Spring Session + Hazelcastʢηογϣϯڞ༗ʣ 58

© Acroquest Technology Co., Ltd. All rights reserved. 6. ࠓޙऔΓ૊Έ͍ͨ͜ͱ ো֐ୈҰઃܭ 1. ো֐͕ى͖ΔલఏͰॲཧΛೖΕΔ • Circuit Breakerͱ͍͏֓೦ • ୯Ґ࣌ؒ͋ͨΓͷΤϥʔճ਺͕ᮢ஋Λ௒͑ͨΒ  ৗʹ୅ସॲཧΛߦ͏ʢҰఆ࣌ؒͰ෮ؼʣ • NetﬂixͷHystrixͰ༰қʹ࣮ݱͰ͖Δ 2. ͱ͸ݴ͑ɺো֐͕ى͖ͨΒͲ͏͢Δͷʁ • ௨஌͢Δ • ௨৴ΤϥʔΛฦ͢ • ઐ༻ΤϥʔΛฦ͢ • ΩϟογϡΛฦ͢ 65

© Acroquest Technology Co., Ltd. All rights reserved. 6. ࠓޙऔΓ૊Έ͍ͨ͜ͱ ϙϦάϩοτ 1. GoͷΑ͏ͳϝϞϦϑοτϓϦϯτͷখ͞ͳݴޠΛ࢖͍͍ͨ 2. ෳ਺ݴޠͰهࡌ͢Δͱ͖ͷোน͸ϛυϧ΢ΣΞ • EurekaΛଞͷݴޠͰ࢖͍͍ͨ 3. ੜ࢈ੑ΁ͷӨڹ • Spring Boot + Spring Cloud΄Ͳͷ  ੜ࢈ੑΛग़ͤΔ૊Έ߹Θͤ͸গͳ͍ • IDEͷOpen Call HierarchyͰ΍͍ͬͯͨࣄ͕  Ͱ͖ͳ͘ͳΔ 67

© Acroquest Technology Co., Ltd. All rights reserved. 7. ຊ౰ʹϚΠΫϩαʔϏε͸࠷ద͔ʁ ೔ຊͱԤถͷจԽͷҧ͍ 2. DBΞΫηεͷҧ͍ • ถ : JPAɺHibernateɺඞવతʹjoinগͳ͍ • ೔ : MyBatisɺDomaɺʢS2Daoʣ  ɹɹ௕େͳSQL͕͋ͬͯjoin΋ଟ͍  → ͜ͷ͍ͤͰطଘͷϞϊϦε͔Β  ɹɹϚΠΫϩαʔϏε΁ͷҠߦ͕೉͘͠ͳΔɻ 71

© Acroquest Technology Co., Ltd. All rights reserved. ·ͱΊ ϚΠΫϩαʔϏε͸݁Ռ࿦ ಉظɺඇಉظɺςετΛؚΊٕͨज़ղΛ໌֬Խ͢Δ Spring Boot + RabbitMQͰ͍·ͷͱ͜Ζ໰୊ͳ͠ ඞਢٕज़Λ೺Ѳ͢Δ αʔϏεσΟεΧόϦʢEurekaʣ εέʔϧΠϯɺΞ΢τɺLBɺσϓϩΠ σϓϩΠͷࣗಈԽʢChef / Ansibleʣ ϞχλϦϯάʢCloudWatch / Elasticsearchʣ ෼ׂཻ౓Ͱ೰ΜͩΒʮ؅ཧը໘Λ࡞ΕΔAPIʯ͕Ұͭͷ໨҆ ࣗ෼ͨͪͷ૊৫ʹ߹Θͤͨ࠷దԽ͕ඞਢ 74

実践して分かったJavaマイクロサービス開発 #JavaDayTokyo

実践して分かったJavaマイクロサービス開発 #JavaDayTokyo

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