안정성과 유연성을 겸비한 카카오뱅크의 On-premise Kubernetes 구축 여정기

஠஠য়ߛ௼੄,VCFSOFUFT Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ খਵ۽੄҅ദ

஠஠য়ߛ௼੄,VCFSOFUFTഅട L BLBPCBOLLVCFSOFUF T ªLT 1VCMJD$MPVE "84&,4 1SJWBUF$MPVE 0O1SFN,4

஠஠য়ߛ௼੄ജ҃ "84 "[VSF 7. )$* 1. ׮নೠജ҃੄஠஠য়ߛ௼ੋ೐ۄ 1VCMJD $MPVE 1SJWBUF
$MPVE

҃৔૑ਗݎ Әਲ਼਍৔ݎ %.; 0-51 %.; 2 0-51 ֎౟ਕ௼ҳр߹۽ܻ࠙ػ݆ࣻ਷௿۞झఠ ஠஠য়ߛ௼੄ജ҃

)FMNਸ੉ਊೠ*B$ ࠂ੟ೠ஠஠য়ߛ௼ജ҃ࣘীࢲ

)FMNਸ੉ਊೠ*B$ ࠂ੟ೠ஠஠য়ߛ௼ജ҃ࣘীࢲ ੋ೐ۄदझమਸ ബਯ੸ਵ۽ҙܻೡࣻহਸө

)FMNਸ੉ਊೠ*B$ пઙࢸ੿ч زӝച࢚క ੢গ؀਽١ ࠂ੟ೠ஠஠য়ߛ௼ജ҃ࣘীࢲ ੋ೐ۄदझమਸ ബਯ੸ਵ۽ҙܻೡࣻহਸө

)FMNਸ੉ਊೠ*B$ )FMN ,VCFSOFUFT۽ా೤೧ࠁ੗ *OGSBBT ,VCFSOFUFT ࠂ੟ೠ஠஠য়ߛ௼ജ҃ࣘীࢲ ੋ೐ۄदझమਸ ബਯ੸ਵ۽ҙܻೡࣻহਸө

)FMNਸ੉ਊೠ*B$ 7. 1. %/4 (4-# 4UPSBHF 'JSFXBMM ੋ೐ۄܻࣗझܳ)FMNಁః૑۽ҙܻ

೐۽࠺੷׬بҳ ௿۞झఠ ݠन೐۽࠺੷׬ $MVTUFS"1*

,VCFSOFUFTܳ૒੽ҳ୷ೞ۰ݶ 04ࢸ஖߂ࣁ౴ ழօ౵ۄݫఠJQ@GPSXBSE CSJEHFOGDBMMJQUBCMFT١ TXBQNFNPSZࢸ੿ JQUBCMFTGPSXBSE୓ੋ೒۞द ೙ਃಁః૑߂߄੉ցܻࢸ஖ DPOUBJOFSE LVCFMFU LVCFBEN
LVCFDUM ޛܻ੢࠺*OUFHSBUJPO -# 4UPSBHF (16 "EE0Oࢸ஖ $/* $4* JOHSFTT NFUSJD MPH ӝఋPQFSBUPST

஠ߛীࢲ0O1SFN,4ܳ݅٘۰ݶ $ helm install my-cluster \ k17s/work-cluster -f spec.yaml

$1 ࢸ੿౵ੌ ష௾ 8PSLFS/PEF 7. 7. 7. ֢٘ࢸ੿౵ੌ ֢٘ࢸ੿౵ੌ ֢٘ࢸ੿౵ੌ
$1/PEF 7. 7. ֢٘ࢸ੿౵ੌ ֢٘ࢸ੿౵ੌ ֢٘ࢸ੿౵ੌ ஠ߛীࢲ0O1SFN,4ܳ݅٘۰ݶ

$MVTUFS"1* ,VCFSOFUFT୍೟ਸٮܰח ,VCFSOFUFT೐۽࠺੷׬بҳ

$MVTUFS"1* %FQMPZNFOU 3FQMJDB4FU 1PE ੌ߈੸ੋ8PSLMPBEҳઑ

$MVTUFS"1* .BDIJOF %FQMPZNFOU .BDIJOF 4FU .BDIJOF $MVTUFS"1*੄֢٘ҙܻҳઑ

$MVTUFS"1* ֢٘ૐࢸҗхࢸ਷যڌѱ૓೯ೞաਃ $ kubectl scale MachineDeployment \ my-node --replicas=10

.VMUJQMF.BDIJOF1SPWJEFS ׮নೠ1SPWJEFSоҳഅغয੓חੋఠಕ੉झয়೑ࣗझ *OUFSGBDF *NQMFNFOUT 3VONFUIPE

.VMUJQMF.BDIJOF1SPWJEFS $MVTUFS"1* #SJOH:PVS0XO)PTU #:0) $MPVE4UBDL $PY&EHF %JHJUBM0DFBO &RVJOJY.FUBM GPSNFSMZ1BDLFU )FU[OFS
*#.$MPVE ,VCF,FZ ,VCF7JSU .""4 .FUBM .JDSPWN /FTUFE 0VUTDBMF WDMVTUFS FUD ׮নೠ1SPWJEFSоҳഅغয੓חੋఠಕ੉झয়೑ࣗझ *OUFSGBDF *NQMFNFOUT ௿۞झఠٜ݅যભ "NB[PO &,4 "NB[PO &$

apiVersion: cluster.x-k8s.io/v1beta1 kind: Machine spec: bootstrap: configRef: apiVersion: bootstrap.cluster.x-k8s.io/v1beta1 kind:
KubeadmConfig name: ++++++++ namespace: ++++++++ dataSecretName: ++++++++ clusterName: ++++++++ infrastructureRef: apiVersion: infrastructure.cluster.x-k8s.io/v1beta1 kind: MaasMachine name: ++++++++ namespace: ++++++++ providerID: ++++++++ version: v1.28.2 .VMUJQMF.BDIJOF1SPWJEFS

apiVersion: cluster.x-k8s.io/v1beta1 kind: Machine spec: bootstrap: configRef: apiVersion: bootstrap.cluster.x-k8s.io/v1beta1 kind:
KubeadmConfig name: ++++++++ namespace: ++++++++ dataSecretName: ++++++++ clusterName: ++++++++ infrastructureRef: apiVersion: infrastructure.cluster.x-k8s.io/v1beta1 kind: AWSMachine name: ++++++++ namespace: ++++++++ providerID: ++++++++ version: v1.28.2 .VMUJQMF.BDIJOF1SPWJEFS "NB[PO &$

$MVTUFS"1* apiVersion: controlplane.cluster.x-k8s.io/v1beta1 kind: KubeadmConfigTemplate spec: template: spec: kubeadmConfigSpec: preKubeadmCommands:
- # Network Setting - # HostOS Setting - # etc… postKubeadmCommands: - # Security, Logging ೐۽࠺੷׬઺ী୶о۽೙ਃೠ੘স੿੄

$MVTUFS"1* LTXPSLDMVTUFS ஠஠য়ߛ௼಴ળജ҃ীݏ୸௿۞झఠಁః૑ $ helm install my-cluster k17s/work-cluster \ -f
spec.yaml

)FMN (JUMBC$*1JQFMJOF )FMNਸ੉ਊೠ*B$

"SHP$% $MVTUFS (JUMBC )FMNਸ੉ਊೠ*B$ $PNNJU )JTUPSZ ߸҃੉۱ 0QFSBUPS 3FDPODJMF

)FMNਸ੉ਊೠ*B$ (JUMBC$*&OWJSPONFOU ;POFҙܻ "SHP$% (JUMBC

)FMNਸ੉ਊೠ*B$ (JUMBC$*$MVTUFSࢤࢿ "EEPO$IBSUߓನ١ীࢎਊ "SHP$% (JUMBC

)FMNਸ੉ਊೠ*B$ %/4 (4-#োز #Z)FMN

)BSEXBSF*OUFHSBUJPO %/4 (4-# ;POF'PSXBSE HTMCFYBNQMFJP

)BSEXBSF*OUFHSBUJPO %/4 (4-# DPOUSPMMFS BQQ FYUFSOBMEOT ;POF'PSXBSE HTMCFYBNQMFJP .(.5$MVTUFS ҙܻ௿۞झఠ
8PSL$MVTUFS ࢲ࠺झ௿۞झఠ

)BSEXBSF*OUFHSBUJPO %/4 (4-# DPOUSPMMFS BQQ FYUFSOBMEOT /FUXPSL 3FRVFTU DMVTUFSNZDMVTUFS OBNFTQBDFT
EFGBVMU TFSWJDFNZTFSWJDF JQ HTMC EPNBJONZ TFSWJDFFYBNQMFJP QPSU NPOJUPS TFSWJDFUZQF)5514 NFUIPE(&5 VSJ SFTQPOT ;POF'PSXBSE HTMCFYBNQMFJP .(.5$MVTUFS ҙܻ௿۞झఠ 8PSL$MVTUFS ࢲ࠺झ௿۞झఠ values.yaml

DMVTUFSNZDMVTUFS OBNFTQBDFT EFGBVMU TFSWJDFNZTFSWJDF JQ HTMC EPNBJONZ TFSWJDFLBCBOHJP
QPSU NPOJUPS TFSWJDFUZQF)5514 NFUIPE(&5 VSJ SFTQPOT )BSEXBSF*OUFHSBUJPO %/4 (4-# DPOUSPMMFS BQQ FYUFSOBMEOT ;POF'PSXBSE HTMCFYBNQMFJP .(.5$MVTUFS ҙܻ௿۞झఠ 8PSL$MVTUFS ࢲ࠺झ௿۞झఠ values.yaml /FUXPSL 3FRVFTU NZTFSWJDFী *1ܳ ࠗৈೞҊ NZTFSWJDFFYBNQMFJP )PTU۽੽ࣘೡࣻ੓ѱٜ݅য઱ࣁਃ

)BSEXBSF*OUFHSBUJPO %/4 (4-# DPOUSPMMFS BQQ FYUFSOBMEOT %/4&OEQPJOU (4-#0CKFDU /FUXPSL 3FRVFTU
$*1JQFMJOF ;POF'PSXBSE HTMCFYBNQMFJP

)BSEXBSF*OUFHSBUJPO %/4 (4-# DPOUSPMMFS BQQ FYUFSOBMEOT $/".&3FDPSE $36% 7*1 "3FDPSE
$36% )FBMUI $IFDL SFDPODJMF SFDPODJMF ;POF'PSXBSE HTMCFYBNQMFJP /FUXPSL 3FRVFTU

)BSEXBSF*OUFHSBUJPO (4-# *OHSFTT EFQMPZ %/4 BQQTWD BQQ EFQMPZ BQQ EFQMPZ
BQQ EFQMPZ %/42VFSZ -#TWD OPEFQPSU 6TFS

)BSEXBSF*OUFHSBUJPO (4-# *OHSFTT EFQMPZ %/4 -#TWD OPEFQPSU BQQTWD BQQ EFQMPZ
BQQ EFQMPZ BQQ EFQMPZ "QQ5SBGGJD 6TFS

஠஠য়ߛ௼੄,VCFSOFUFT Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ খਵ۽੄҅ദ

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ LBLBP#BOL ,VCFSOFUFT

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ थੋ੺ର ਬബࢿ੼Ѩ ߔস ੽Ӕઁয ࠁউஂড੼ ੤೧ࠂҳ ߓನ੺ର ࠁউࢿब੄ ֎౟ਕ௼ాઁ
ѐੋनਊ੿ࠁ Әਲ਼੿ࠁ

,4оبੑغ঻ਵפ LVCFDUM ࢎਊ ௏٘য়೑ࣗझߓನ 10%р֎౟ਕ௼ాन $MVTUFSࢤࢿ ݽف੗ਬ܂ѱೡࣻ੓חѢભ Әਲ਼׏࠺झ஠ೖ ইפભj Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ

৵੗ਬ܂ѱޅ ॳחѢભ Әਲ਼׏࠺झ஠ೖ ੹੗Әਲ਼Ѣېߨ ੹੗Әਲ਼хةӏ੿߂ ղӏܳݽف૑ః࣊ঠ೤פ׮ § ੿ࠁ୊ܻदझమ੽Ӕী؀ೠ੽Ӕઁযӏ஗ਸࣻ݀ೞҊ਍৔೧ঠೠ׮ § ੿ࠁ୊ܻदझమ੄੽ӔӂೠࠗৈחथੋѾ੤ܳٙೠറೲоػ؀࢚੗ীೠೞৈӂೠࠗৈоغযঠೠ׮
§ ࢎਊ੗੽ӔӂೠथੋѾ੤೐۽ࣁझࣻ݀ § ѐߊ਍৔ߓನ੺ରળࣻ § ਍৔ߓನӂೠాઁ § ਍৔ߓನ੹ஂড੼੼Ѩ૓೯ § ֎౟ਕ௼੽Ӕઁযӏ஗ਸࣻ݀ೞҊ਍৔೧ঠೠ׮ § ֎౟ਕ௼੄੿଼߸҃਷थੋѾ੤ܳٙೠറೲоػ؀࢚੗ীೠೞৈ੿଼੸ਊ੉غযঠೠ׮ § ੗୓ҳ୷ 1SJWBUF ௿ۄ਋٘ࠁউஂড੼ಣо ӝળ Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ хࢎоف۰਍ભܰ٣

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ ஹ೒ۄ੉঱झ ࠁউ੿଼ਸળࣻೞݴ ,VCFSOFUFT੄੢੼ਸ࢓ܾࣻ੓ח ஠஠য়ߛ௼݅੄੿଼Ҋ޹ XJUIೣԋҊ޹೧઱न੿ࠁࠁഐ౱

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ "ENJTTJPO$POUSPMMFS #Z,ZWFSOP

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ LVCFDUM LVCFBQJTFSWFS FUDE

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ LVCFDUM "VUI .VUBUJOH "ENJTTJPO $POUSPM 7BMJEBUF "ENJTTJPO $POUSPM LVCFBQJTFSWFS
FUDE

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ LVCFDUM "VUI .VUBUJOH "ENJTTJPO $POUSPM 7BMJEBUF "ENJTTJPO $POUSPM LVCFBQJTFSWFS
FUDE .VUBUJOH 8FCIPPL 7BMJEBUF 8FCIPPL 6TFS *NQMFNFOU

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ "VUI .VUBUJOH "ENJTTJPO $POUSPM 7BMJEBUF "ENJTTJPO $POUSPM LVCFBQJTFSWFS FUDE
.VUBUJOH 8FCIPPL 7BMJEBUF 8FCIPPL 6TFS *NQMFNFOU LZWFSOP LVCFDUM

ஶప੉ցীࢲഐझ౟दझమী੽Ӕೡࣻ੓חࠁউਤഈ੉ߊࢤؼࣻ੓ਵ޲۽ QSJWJMFHFE೒ېӒઁѢৈࠗܳ੼Ѩ Әਲ਼ࠁউਗ apiVersion: kyverno.io/v1 kind: ClusterPolicy # ...
spec: validate: # ... containers: - =(securityContext): =(privileged): "false" =(hostPID): "false" =(hostIPC): "false" =(hostNetwork): "false"

ஶప੉ցоҙܻ੗ SPPU ۽प೯ؼ҃਋ ஶప੉ցղࠗীࢲ੄ҕѺ੉ഐझ౟दझమী ৔ೱਸ޷சࣻ੓ਵ޲۽ੌ߈ࢎਊ੗҅੿ਵ۽ஶప੉ցप೯ৈࠗܳ੼Ѩ Әਲ਼ࠁউਗ apiVersion: kyverno.io/v1 kind: ClusterPolicy
# ... validate: # ... spec: containers: - securityContext: runAsNonRoot: "true"

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ /FUXPSL4FDVSJUZ #Z$JMJVN

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ $JMJVN 79-"/ *1઱ࣗ݅ਵ۽ࢲ࠺झܳध߹ೡࣻহ׮

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ ӝמ ,VCFSOFUFT/FUXPSL1PMJDZ $JMJVN/FUXPSL1PMJDZ ੋ߄਍٘౟ې೗ઁয 0 0 ইਓ߄਍٘౟ې೗ઁয 0 0
ۄ߰ӝ߈౟ې೗ઁয 0 0 ֎੐झಕ੉झӝ߈ઁয 0 0 -BZFS੿଼ - ઁয 9 0 $*%3ߧਤ૑੿ ¦ 0 %/4੿଼ 9 0 ੿଼౟ې೗۽Ӧ 9 0 ੿଼хࢎݽ٘ "VEJU.PEF 9 0

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ $JMJVN/FUXPSL1PMJDZח -BCFMਸ੉ਊ೧XPSLMPBEী੿଼ਸ੸ਊೠ׮ -BCFM਷ѐߊ੗о੗ਬ܂ѱࣻ੿оמೞ׮

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ .VUBUJOH8FCIPPLਸ੉ਊೞৈ ౠ੿ۨ੉࠶ਸъઁ۽૑੿ೡࣻ੓׮ $JMJVN/FUXPSL1PMJDZח -BCFMਸ੉ਊ೧XPSLMPBEী੿଼ਸ੸ਊೠ׮ -BCFM਷ѐߊ੗о੗ਬ܂ѱࣻ੿оמೞ׮

8PSLMPBE %FQMPZ %FWFMPQFS kind: Deployment # … template: metadata: labels:
app: my-app

8PSLMPBE %FQMPZ %FWFMPQFS 0QFSBUPS ,ZWFSOP .VUBUF -BCFM kind: Deployment #
… template: metadata: labels: app: my-app kind: Deployment # … template: metadata: labels: app: my-app example/cluster-name: my-cluster example/namespace: sandbox example/workload-name: nginx example/workload-type: dp

8PSLMPBE %FQMPZ %FWFMPQFS 0QFSBUPS ,ZWFSOP /FUXPSL 4FDVSJUZ &OHJOFFS .VUBUF -BCFM
$JMJVN/FUXPSL1PMJDZ "QQMZ kind: Deployment # … template: metadata: labels: app: my-app kind: Deployment # … template: metadata: labels: app: my-app example/cluster-name: my-cluster example/namespace: sandbox example/workload-name: nginx example/workload-type: dp kind: CiliumNetworkPolicy spec: egress: - toCIDRSet: - cidr: 1.2.3.4/32 toPorts: - ports: - port: "80" protocol: TCP endpointSelector: matchLabels: example/cluster-name: my-cluster example/namespace: sandbox example/workload-name: nginx example/workload-type: dp

8PSLMPBE %FQMPZ %FWFMPQFS 0QFSBUPS ,ZWFSOP /FUXPSL 4FDVSJUZ &OHJOFFS .VUBUF -BCFM
$JMJVN/FUXPSL1PMJDZ "QQMZ kind: Deployment # … template: metadata: labels: app: my-app kind: Deployment # … template: metadata: labels: app: my-app example/cluster-name: my-cluster example/namespace: sandbox example/workload-name: nginx example/workload-type: dp kind: CiliumNetworkPolicy spec: egress: - toCIDRSet: - cidr: 1.2.3.4/32 toPorts: - ports: - port: "80" protocol: TCP endpointSelector: matchLabels: example/cluster-name: my-cluster example/namespace: sandbox example/workload-name: nginx example/workload-type: dp ୶࢚ചػ,4-BZFSӝ߈੄֎౟ਕ௼੿଼ tNZDMVTUFS௿۞झఠ੄ TBOECPY֎੐झಕ੉झী੓ח OHJOYEFQMPZNFOUী؀೧ࢲu &HSFTT౟ې೗ tu5$1ాनਸೲਊ

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ -JOVY,44FDVSJUZ #Z1BDLFS $MVTUFS"1*

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ 7. $SFBUF /PEF 4FDVSJUZ 4FUUJOH /PEFJOJU (PMEFO *NBHF
$SFBUF $MVTUFS"1* 1VMM $MVTUFS /PEF ,4 4FDVSJUZ4FUUJOH

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ 04ࠁউಁ஖੘স XJUI1BDLFS ª/PEF3FDSFBUF

13$$ ,VCFMFU੄੍ӝ੹ਊನ౟оഝࢿചغয੓ਸ҃਋ ੋૐغ૑ঋ਷੽Ӕ੉оמೞѱغয ੿ࠁਬ୹ਤ೷੉੓ਵ޲۽ LVCFMFU ੍ӝ੹ਊನ౟࠺ഝࢿചৈࠗܳ੼Ѩ 13$$ दझమ઱ਃ੉߮౟۽Ӓоࢸ੿غয੓૑ঋਸ҃਋दझమޙઁߊࢤदࠁউ ࢿמ١੄ ੉गܳ౵ঈೞӝয۰਑ਵ۽दझమ
о࢚ݠन ࠁউ١੄۽Ӓо੷੢غب۾ࢸ੿غয ੓ח૑ܳ੼Ѩ Әਲ਼ࠁউਗ ߄۽ઑ஖оמ೤פ׮

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ apiVersion: controlplane.cluster.x-k8s.io/v1beta1 kind: KubeadmControlPlane ... spec: kubeadmConfigSpec: ... initConfiguration:
nodeRegistration: kubeletExtraArgs: read-only-port: "0" ... clusterConfiguration: extraArgs: audit-log-path: /var/log/kubernetes/audit/audit.log audit-policy-file: /etc/kubernetes/audit-policy.yaml audit-log-maxbackup: "10" audit-log-maxsize: "100" audit-log-maxage: "30" ,4ࠁউಁ஖੘স XJUI$"1* ª/PEF3FDSFBUF

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ ֢٘ైੑदр࠙޷݅

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ ,VCFSOFUFT"DDFTT$POUSPM

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ ,VCFSOFUFT3#"$ "VUIPSJ[BUJPO "MMPX,VCFDUM

Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ )JLVCF 404न୒ $MVTUFSCJ[UFTU /BNFTQBDF$PDP 6TFSDIVOTJL 3PMFSFBEPOMZ )JLVCF 404न୒ $MVTUFSCJ[UFTU
/BNFTQBDF$PDP 6TFS+PSEZ 3PMFTSFVTFSSPMF SFBEPOMZ TSF SFBEPOMZ TSFVTFSSPMF IJLVCF दझమࠁউ౱

/BNFTQBDF$PDP 6TFS+PSEZ 3PMFTSFVTFSSPMF SFBEPOMZ TSFVTFSSPMF SFBEPOMZ TSF ӂೠহ਺ ࢤࢿपಁ IJLVCF दझమࠁউ౱

/BNFTQBDF$PDP 6TFS+PSEZ 3PMFTSFVTFSSPMF SFBEPOMZ TSFVTFSSPMF SFBEPOMZ TSF ࢤࢿೲਊ IJLVCF दझమࠁউ౱

౱ࣗѐ ஠஠য়ߛ௼੄,VCFSOFUFT Әਲ਼ஹ೒ۄ੉঱झ৬ࠁউ খਵ۽੄҅ദ

஠஠য়ߛ௼௿ۄ਋٘۽٘ݗ 1VCMJD$MPVE 1SJWBUF$MPVE $MPVEӏઁӓࠂ ѐߊ਍৔৉۝ഛࠁ .VMUJ$MPVE $POUBJOFSJ[BUJPO ,4ҳ୷ ਍৔ബਯച *BB4
7. )$* 1BB4 .VMUJ%$"" )ZCSJE $MPVE

খਵ۽ח 1.,4 1.1SPWJTJPOJOH X.BB4 )ZCSJE,4 POQSFNDMPVEജ҃ 1BB4 (16 %#١LTജ҃ਵ۽೒ۖಬࢲ࠺झઁҕ 'BB4
'VODUJPOBTBTFSWJDFҳࢿ MJLFLOBUJWF

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안정성과 유연성을 겸비한 카카오뱅크의 On-premise Kubernetes 구축 여정기

안정성과 유연성을 겸비한 카카오뱅크의 On-premise Kubernetes 구축 여정기

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