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Goビルドを理解し、 CI/CDの高速化に挑む
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sato-shin
March 27, 2026
Technology
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Goビルドを理解し、 CI/CDの高速化に挑む
sato-shin
March 27, 2026
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Transcript
TBUPTIJO (PϏϧυΛཧղ͠ɺ $*$%ͷߴԽʹΉ NJJWFͰˠΛ࣮ݱͨ͠վળࣄྫ
NJJWFͷ$*$%ͷྲྀΕ
NJJWFͷ$*$%ͷྲྀΕʢվળલʣ 6OJU5FTU %FQMPZ UP"84&$4 &&5FTU -JOU
#VJME ߹ܭ
NJJWFͷ$*$%ͷྲྀΕʢվળલʣ 6OJU5FTU %FQMPZ UP"84&$4 &&5FTU -JOU
#VJME ߹ܭ
NJJWFͷ$*$%ͷྲྀΕʢվળલʣ 6OJU5FTU ඵ %FQMPZ UP"84&$4 &&5FTU -JOU
#VJME ඵ ߹ܭ
NJJWFͷ$*$%ͷྲྀΕʢվળલʣ 6OJU5FTU ඵ %FQMPZ UP"84&$4 &&5FTU -JOU
#VJME ඵ ͜͜ʹࢸΔ·Ͱ
·ͣ(PͷϏϧυΛͪΌΜͱΖ͏ʂ $ go build
(PͷϏϧυͷಛ w Ϗϧυޙͷ୯ҰόΠφϦͰಈ͖ɺ࣮ߦڥʹ(PͷΠϯετʔϧෆཁ w ΫϩείϯύΠϧʹΑΓɺ$*$%ͷઃఆָ͕ w ϏϧυΩϟογϡͷػߏ͕Έࠐ·Ε͍ͯΔ
(PͷϏϧυͷಛ w Ϗϧυޙͷ୯ҰόΠφϦͰಈ͖ɺ࣮ߦڥʹ(PͷΠϯετʔϧෆཁ w ΫϩείϯύΠϧʹΑΓɺ$*$%ͷઃఆָ͕ w ϏϧυΩϟογϡͷػߏ͕Έࠐ·Ε͍ͯΔ
࣮ߦڥʹ(Pෆཁ 04 +BWB7JSUVBM.BDIJOF KBSϑΝΠϧ 04 (Pͷ୯ҰόΠφϦ ࣮ߦϑΝΠϧ
࣮ߦڥʹ(Pෆཁ w ґଘ͢Δͷ͕গͳ͍ͷͰ w ཧָ͕ w ηΩϡΞ w αʔόʔͷ্ཱ͕ͪΓ͕ૣ͍ w
࣮ߦɾϝϞϦফඅྔͰ༗ར 04 (Pͷ୯ҰόΠφϦ ࣮ߦϑΝΠϧ
(PͷϏϧυͷಛ w Ϗϧυޙͷ୯ҰόΠφϦͰಈ͖ɺ࣮ߦڥʹ(PͷΠϯετʔϧෆཁ w ΫϩείϯύΠϧʹΑΓɺ$*$%ͷઃఆָ͕ w ϏϧυΩϟογϡͷػߏ͕Έࠐ·Ε͍ͯΔ
ΫϩείϯύΠϧ͕Մೳ $*ڥ6CVOUV $ GOOS=windows \ GOARCH=amd64 \ go build -o
app ࣮ߦڥ8JOEPXTTFSWFSBNE BQQFYF BQQFYF $PQZ
(PͷϏϧυͷಛ w ΫϩείϯύΠϧʹΑΓɺ$*$%ͷઃఆָ͕ w Ϗϧυޙͷ୯ҰόΠφϦͰಈ͖ɺ࣮ߦڥʹ(PͷΠϯετʔϧෆཁ w ϏϧυΩϟογϡͷػߏ͕Έࠐ·Ε͍ͯΔ $ go build
(PͷϏϧυϑϩʔͷ֓ཁ ґଘؔͷղܾ ίϯύΠϧ $ go tool compile ύοέʔδຖʹPCKੜ ϦϯΫ $
go tool link 0CKΛ౷߹͠ɺ ࣮ߦϑΝΠϧΛੜ HPͷ࣮ߦϑΝΠϧ
(PͷϏϧυϑϩʔͷ֓ཁ ґଘؔͷղܾ ίϯύΠϧ $ go tool compile ύοέʔδຖʹPCKੜ ϦϯΫ $
go tool link 0CKΛ౷߹͠ɺ ࣮ߦϑΝΠϧΛੜ HPͷ࣮ߦϑΝΠϧ ύοέʔδຖͷPCK͕Ωϟογϡ͞Ε มߋ͕ͳ͍ύοέʔδͷίϯύΠϧεΩοϓ
(PͷϏϧυͷಛ w ΫϩείϯύΠϧʹΑΓɺ$*$%ͷઃఆָ͕ w Ϗϧυޙͷ୯ҰόΠφϦͰಈ͖ɺ࣮ߦڥʹ(PͷΠϯετʔϧෆཁ w ϏϧυΩϟογϡͷػߏ͕Έࠐ·Ε͍ͯΔ
$*$%Λૣ͘͢Δखஈͷ ௐࠪ։࢝
(PϏϧυͷجຊతͳߴԽख๏ w $*ͰϏϧυΩϟογϡΛར༻͢Δ w $*ͰϞδϡʔϧΩϟογϡΛར༻͢Δ w ར༻͍ͯ͠ͳ͍ίʔυΛআ͢Δ w ύοέʔδͷׂΛ࠷దԽ͢Δ
(PϏϧυͷجຊతͳߴԽख๏ w $*ͰϏϧυΩϟογϡΛར༻͢ΔˠճҎ߱͘ͳΔ w $*ͰϞδϡʔϧΩϟογϡΛར༻͢ΔˠճҎ߱͘ͳΔ w ར༻͍ͯ͠ͳ͍ίʔυΛআ͢Δˠௐࠪ͠ɺશମͷʹຬͨͳ͍ w ύοέʔδͷׂΛ࠷దԽ͢Δˠ͕͔͔࣌ؒΓ͗͢ΔͨΊɺݟૹΓ
(PϏϧυͷجຊతͳߴԽख๏ w $*ͰϏϧυΩϟογϡΛར༻͢ΔˠճҎ߱͘ͳΔ w $*ͰϞδϡʔϧΩϟογϡΛར༻͢ΔˠճҎ߱͘ͳΔ ΩϟογϡΛΘͳ͍߹Ͱ ͔͔Δͷײʹ͢Δ🤔
ͱ͍͏ͷɺ ։ൃ࣌ͷ$ go run Ͱؾͮͣ͘
ͳΒɺܭଌͩʂ
NJJWFͷϦϙδτϦߏͷ֓ཁ EPNBJONPEFM QBDLBHF ڞ௨ίϯϙʔωϯτ ɾɾɾ CBUDI"DNE NBJOQBDLBHF CBUDI#DNE NBJOQBDLBHF 8FC"1*TFSWFS
NBJOQBDLBHF
NJJWFͷϦϙδτϦߏͷ֓ཁ EPNBJONPEFM QBDLBHF ڞ௨ίϯϙʔωϯτ ɾɾɾ 8FC"1*TFSWFS NBJOQBDLBHF CBUDI"DNE NBJOQBDLBHF CBUDI#DNE
NBJOQBDLBHF ࠷େ͖͍8FC"1*TFSWFSΛ ܭଌͷλʔήοτͱ͢Δ
ϩʔΧϧͰϏϧυ࣌ؒΛܭଌͯ͠ΈΔ $ go clean -cache $ time go build
ϩʔΧϧͰϏϧυ࣌ؒΛܭଌͯ͠ΈΔ $ go clean -cache $ time go build go
build 65.29s
ϩʔΧϧͰϏϧυ࣌ؒΛܭଌͯ͠ΈΔ $ go clean -cache $ time go build go
build 65.29s 👍
NJJWFͷϦϙδτϦߏͷ֓ཁ EPNBJONPEFM QBDLBHF ڞ௨ίϯϙʔωϯτ ɾɾɾ CBUDI"DNE NBJOQBDLBHF CBUDI#DNE NBJOQBDLBHF 8FC"1*TFSWFS
NBJOQBDLBHF શମΛܭଌͷλʔήοτͱ͢Δ
ϩʔΧϧͰશମͷϏϧυ࣌ؒΛܭଌͯ͠ΈΔ $ go clean -cache $ time ./build_all.sh
ϩʔΧϧͰશମͷϏϧυ࣌ؒΛܭଌͯ͠ΈΔ $ go clean -cache $ time ./build_all.sh ./build_all.sh 265.91s
ϩʔΧϧͰશମͷϏϧυ࣌ؒΛܭଌͯ͠ΈΔ $ go clean -cache $ time ./build_all.sh ./build_all.sh 265.91s
🤔 ඵ
NJJWFͷϦϙδτϦߏͷ֓ཁ EPNBJONPEFM QBDLBHF ڞ௨ίϯϙʔωϯτ ɾɾɾ CBUDI"DNE NBJOQBDLBHF CBUDI#DNE NBJOQBDLBHF 8FC"1*TFSWFS
NBJOQBDLBHF #BUDIܥશମͷίʔυྔͷ ະຬ
NJJWFͷϦϙδτϦߏͷ֓ཁ EPNBJONPEFM QBDLBHF ڞ௨ίϯϙʔωϯτ ɾɾɾ CBUDI"DNE NBJOQBDLBHF CBUDI#DNE NBJOQBDLBHF 8FC"1*TFSWFS
NBJOQBDLBHF ڞ௨QBDLBHFΩϟογϡ͔Β ϏϧυεΩοϓ͢Δͣ
7FSCPTFPQUJPOͰಈ࡞Λ֬ೝͯ͠ΈΔ $ go build -v // compileதͷύοέʔδ͕දࣔ͞ΕΔ
7FSCPTFPQUJPOͰಈ࡞Λ֬ೝͯ͠ΈΔ $ go clean -cache $ ./build_all_verbose.sh
7FSCPTFPQUJPOͰಈ࡞Λ֬ೝͯ͠ΈΔ $ go clean -cache $ ./build_all_verbose.sh … math math
math …
͋Εʁ ෳճίϯύΠϧͯ͠Δ🤔
൜ਓ͍ͭ͜
$ go buildΛฒྻͰΒ͍ͤͯͨͨΊ ϏϧυΩϟογϡ͕ޮ͍͍ͯͳ͔ͬͨ
मਖ਼൛ͰϏϧυ࣌ؒΛܭଌͯ͠ΈΔ $ go clean -cache $ time ./build_all.sh ./build_all.sh 77.50s
☺
ղܾ👍
ͪͳΈʹ6OJU5FTUͷํͷվળ
6OJU5FTUͷվળ w ͬͱ͕͔͔͍࣌ؒͬͯͨͷ%#ଓͷςετ w %"5"%0(HPUYECΛಋೖͨ͠ ˠඵʹʂ
·ͱΊ w ͿͬͪΌ͚ʮॳظઃఆ࣌ͷϛεʯ w ਪଌ͢ΔͳɺܭଌͤΑ w (PͷϏϧυ͍͢͝ʂ
࠷ޙʹNJJWFʹ͍ͭͯͷհ
w ΧʔυYΞϓϦͰΧϯλϯརްੜ w αʔόʔ(P w 8FC3FBDU w ϞόΠϧ3FBDU/BUJWF w ࠾༻ڧԽதͰ͢
ɹ8FBSFIJSJOH