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YAPC::Fukuoka lunch session
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Harukasan
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July 01, 2017
Technology
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2.9k
YAPC::Fukuoka lunch session
YAPC::Fukuoka ランチスポンサーセッション
2017-07-01
Harukasan
PRO
July 01, 2017
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Transcript
ଵଦͰ͋ΔΤϯδχΞͷͨΊͷΫϥυը૾มαʔϏε @harukasan / MICHII Shunsuke 2017-07-01 :"1$'VLVPLBϥϯνεϙϯαʔηογϣϯ
)BSVLBTBOಓҪढ़հ ϐΫγϒ ג ϦʔυΤϯδχΞ *NBHF'MVYࣄۀऀ ԬΦϑΟεͰͳ͘౦ژຊࣾۈ Ԭݝٱཹถࢢੜ·Ε ٱཹถߴઐˠେ ൧௩ ˠஜେӃˠϐΫγϒೖࣾ
3VCZͱ(Pͱ͢͜͠4DBMBΛॻ͘ΠϯϑϥܥΤϯδχΞ ීஈࣇͷ
None
࡞׆ಈ͕ͬͱָ͘͠ͳΔॴΛͭ͘Δ
None
ϥϯνηογϣϯ
None
ϖ Image ϖ Image ϖ Image ϖ Image ϖ Image
ϖ Image
ϨΠΞτΛม͍͑ͨ ৽͍͠αΠζͷαϜωΠϧ͕΄͍͠ ৽͍͠σόΠεʹରԠ͍ͨ͠ ͍··ͰͷαϜωΠϧͩͱখ͍͞ ͖Ε͍ʹݟ͑ΔΑ͏ʹ͍ͨ͠ ը࣭Λམͱͣ͞ʹॖখ͍ͨ͠ දࣔΛ͍ͨ͘͠ WebPͰ৴͍ͨ͠
զʑΤϯδχΞͰ͋ΔͷͰ ͜ΕΒͷʹରͯ͋͠Δఔ·Ͱ ಠྗͰର߅͢Δ͜ͱ͕Ͱ͖Δ
ͨͱ͑Image::MagickΛ͏ use Image::Magick; $img = Image::Magick->new(); $img->Read("input.jpg"); $img->Resize( geometry =>
"400x400", ); ... $img->Write("output.jpg");
ͨͱ͑CSSͰ͏·͍͜ͱ߹ΘͤΔ .img { background-image: url("input.jpg"); /* style attributeͰࢦఆ͢Δͷ͕Ұൠత */ background-size:
cover; background-position: center center; width: 400px; height: 400px; }
ͨͱ͑ngx_small_lightΛ͏ server { listen 8000; server_name localhost; small_light on; small_light_pattern_define
square dw=400,dh=400,da=l,q=95,e=imagemagick,jpeghint=y; # http://localhost:8000/small_light(p=square)/input.jpg location ~ small_light[^/]*/(.+)$ { set $file $1; rewrite ^ /$file; } }
දࣔͰ͖ͯΔ͔ΒͱΓ͍͍͚͋͑ͣͲ͜ΕͰਖ਼͍͠ͷʁ ImageMagickʹresizeɺscaleͱthumbnail͕͋Δ͚Ͳ ͳΜ͔ಛఆͷϒϥβͰݟΔͱ৭͕มΘͬͯݟ͑Δ͚Ͳ ͕ࣗΊͨޙ୭͕ϝϯςͰ͖ΔΜͩΖ͏……
૿͑ଓ͚͍ͯ͘αʔϏε ͯ͢ͷWebαʔϏε͕ ը૾ॲཧΛ࣮/ӡ༻͢Δඞཁ͕͋Δͷ͔ʁ
ੲαʔόύʔπΛങ͍͚ͬͯͭͬͯͨ͘Ͳ……
ଵଦͰ͋ΔΤϯδχΞͷͨΊͷΫϥυը૾มαʔϏε
HTTP/S3ετϨʔδ ը૾มॲཧ ΦϦδφϧը૾Λऔಘ มޙΩϟογϡΛ৴ ΤϯυϢʔβ ίϯςϯπΩϟογϡ URLΛม͑Δ͚ͩͰը૾ม https://example.imageflux.jp/w=400,h=400/input.jpg ͍··Ͱ͍ͬͯͨ ετϨʔδΛͦͷ··͑Δ
ͭ·Γɺ͍͍ͩͨ small light as a service
ࣾͰར༻͍ͯͨ͠ը૾มγεςϜ͕ϕʔε ϐΫγϒ͕UGCը૾ϑΝΠϧͱઓ͖ͬͯͨྺ࢙ ࣾͰ͍͠B2BαʔϏε ͘͞ΒΠϯλʔωοτͱڞಉͰ։ൃɺӡ༻ ImageMagickΛ͍ͬͯͳ͍
LVS LB / DSR nginx HTTP front server ৴Ϋϥελ ཧαʔό
GRPC HTTP API Traffic Server HTTP front server Golang Thumbnailing server Golang Fetching server Golang Master server Scala Console / API
ͳͥGoͰॻ͍͍ͯΔͷ͔: - ܰྔεϨου(goroutine) - ඇಉظॲཧΛॎʹॻ͚Δʢωετ͠ͳ͍͍ͯ͘ʣ - γϯάϧόΠφϦ - CͷίʔυΛݺΔ
cgo package main // // int fortytwo() // { //
return 42; // } // import "C" import "fmt" func main() { fmt.Println(int(C.fortytwo())) // Output: 42 } ίϝϯτ෦ʹCͷίʔυΛهड़
cgo ίϝϯτ෦ʹCͷίʔυΛهड़ʢͪΐͬͱ͖ͪΘΔ͍ʣ Go͔ΒCͷܕΛ͑Δ - C.int - C.MyFunc
net/http libjpeg-turbo scale libpng CͷϥΠϒϥϦ GoͷHTTPαʔό࣮ GoͱCͷ͍͍ͱ͜ͲΓ
౦ژɺԬͷ྆ํʹ։ൃऀ/Ϛωʔδϟ͕͍·͢ appear.inͰ౦ژ-ԬΛ24࣌ؒଓ ͘͞Β౦ژɺϐΫγϒ౦ژɺ͘͞ΒେࡕɺϐΫγϒԬ ͰςϨΧϯ͢Δָ͍͠৬Ͱ͢ Tokyo Osaka Fukuoka
ImageFluxͰΤϯδχΞΛืू͍ͯ͠·͢ʂ Wantedlyɺฐࣾ࠾༻αΠτɺ࠙͘͠ձͰ HTTPϓϩΩγΛॻ͍ͨΓը૾มΛ࠷దԽͨ͠Γ ָ͍͠৬Ͱ͢ ౦ژͰԬͰಇ͚·͢ ϐΫγϒԬΦϑΟε ϐΫγϒ౦ژຊࣾ