Step Functionsの設計時に知っておいたほうがいいかもしれないこと

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!QJSPTJLJDL "844UBSUVQ5FDI.FFUVQ෱Ԭd͍ͥ͘ʂαʔόʔϨεʂd 4UFQ'VODUJPOTͷઃܭ࣌ʹ ஌͓͍ͬͯͨ΄͏͕ ͍͍͔΋͠Εͳ͍͜ͱ

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ࣗݾ঺հ w !QJSPTJLJDL w ݀Ҫ޺޾ w גࣜձࣾ;FOFʢδʔϯʣͱ͍͏ελʔτΞοϓͰ$50Λ΍͍ͬͯ·͢ w Ϗʔϧ͕޷͖Ͱ͢

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גࣜձࣾ;FOF ##$ͷҨ఻ࢠղੳ🧬ͷελʔτΞοϓ w ##$ฐࣾˠ݈߁อݥ૊߹ˠ૊߹һ w ৄ͘͠͸IUUQTXXX[FOFDPKQ w ΤϯδχΞ͕গͳ͍ͷͰ৭ʑαʔόϨεʹد͍ͤͯΔ w 8FCΞϓϦέʔγϣϯ͸"NQMJGZ w "1*(BUFXBZ-BNCEBͰ(SBQI2-ͷ"1* w ͳͲͳͲ

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ࠓ೔࿩͢͜ͱ w 4UFQ'VODUJPOTɺศརͰΑ͘࢖͍ͬͯΔ͕ w υΩϡϝϯτΛಡΜͰ͍Δͱ͖΍։ൃ࣌ʹ͸ؾ͖ͮʹ͍͘ɺ   ຊ൪ӡ༻࣌ʹࠔͬͨ͜ͱʹ͍ͭͯ w ೖग़ྗͷΫΥʔλʹ͍ͭͯ w &$4λεΫͷ࣮ߦʹ͍ͭͯ

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ೖग़ྗͷΫΥʔλʹ͍ͭͯ

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ೖग़ྗͷαΠζʹ͸্ݶ͕͋Δ IUUQTEPDTBXTBNB[PODPNKB@KQTUFQGVODUJPOTMBUFTUEHMJNJUTPWFSWJFXIUNM

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ฐࣾͷࣄྫɿղੳ݁ՌͷϨϙʔτͷग़ྗॲཧ લ൒͸είΞܭࢉɺޙ൒͸ը૾ˍ1%'ੜ੒

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Ϣʔβʔ਺͕૿͑ͯɺ͋Δ೔ಥવམͪΔΑ͏ʹͳΔɻɻɻ ೖग़ྗͷαΠζ͕ΫΥʔλΛ௒ա🥺

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εέʔϧͦ͠͏ͳσʔλ͸4౳ʹग़ྗɺ44FMFDU౳Ͱࢀর %ZOBNP%#Ͱ΋Αͦ͞͏

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&$4λεΫʹ͍ͭͯ

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ฐࣾͷࣄྫɿҨ఻ࢠσʔλͷऔಘɾݕ඼ͷ4' Ϣʔβʔ૿ˠ ϑΝΠϧ༰ྔ૿Ͱ ෼ʹऩ·Βͳ͘ͳͬͨ😨

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ೖྗʹ͍ͭͯ -BNCEBͷ৔߹ɿ4'ͷػೳͰॊೈʹ੔ܗՄೳ new tasks.LambdaInvoke(this, "…", { …, payload: sfn.TaskInput.fromObject({ hoge: sfn.JsonPath.stringAt("…"), fuga: sfn.JsonPath.stringAt("…"), …, }), …, }); 4'ͷग़ྗ಺͔Β͔͖ूΊͯ੔ܗͰ͖Δ👌

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ೖྗʹ͍ͭͯ &$4λεΫͷ৔߹ɿॊೈʹ͸Ͱ͖ͳ͍ʁ new tasks.EcsRunTask(this, "…", { …, containerOverrides: [ { containerDefinition: …, environment: [ { name: "INPUT_JSON", value: sfn.JsonPath.jsonToString( sfn.JsonPath.objectAt("$.input") ), }, ] }, …, ], …, }); 4'ͷग़ྗ಺͔Βಛఆͷύε͔͠ࢦఆͰ͖ͳ͍ʁ ؀ڥม਺Λ͍ͬͺ͍࢖͑͹Ͱ͖Δ͕🤔 ඞཁʹԠͯ͡1BTT΍-BNCEBΛલʹڬΜͰɺ ೖྗΛ੔ܗ࣮ͯ͠ߦ͢ΔͳͲͨ͠

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ग़ྗʹ͍ͭͯ &$4λεΫ͸ΞϓϦέʔγϣϯ͔Β௚઀ग़ྗͰ͖ͳ͍ʁ

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ग़ྗʹ͍ͭͯ &$4λεΫ͔Βग़ྗΛ࢖͍͍ͨ৔߹ 03

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ͦͷଞɺ࢖͍ͬͯͯࢥͬͨ͜ͱ w 4'ෳ਺ͷ-BNCEBͱͰ͔͍&$4λεΫɺ   Ͳ͕ͬͪΑ͔ͬͨͷ͔ະͩʹ೰Ή w σόοά΍ϦτϥΠ͕͠ΜͲ͘ͳΔͷͰɺ   దٓ4'Λ෼ׂͨ͠΄͏͕Α͍ w ֤αʔϏεͷग़ྗϑΥʔϚοτ͕ຖճΘ͔Βͳ͘ͳΔ w $%,͕͔ͳΓෳࡶʹͳͬͯ͠·͏ w +40/ͷఆٛͱࣅͨײ͡ͷΠϯλʔϑΣʔε΄͍͠

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͓ΘΓ 🧬