https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Sat, 16 May 2026 00:00:00 GMT https://www.youngju.dev/blog/culture/2026-05-16-internal-developer-platforms-2026-backstage-port-opslevel-cortex-compass-roadie-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-internal-developer-platforms-2026-backstage-port-opslevel-cortex-compass-roadie-deep-dive.en A 2026 map of the Internal Developer Platform market. Backstage graduating from the CNCF, Spotifys commercial Portal package, Roadie as managed Backstage, Ports opinionated SaaS, the OpsLevel/Cortex scorecard duel, Atlassian Compass entering the ring, Humanitec and Configure8 as new entrants, and how DORA/SPACE metrics actually get measured inside an IDP — with concrete catalog, golden path, self-service, and ownership criteria, plus real cases from Karrot, Toss, CyberAgent CIU, and Mercari. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) idpinternal-developer-platformplatform-engineeringbackstageportopslevelcortexcompassconfigure8humanitecroadieservice-catalogdora2026deep-diveenglish https://www.youngju.dev/blog/culture/2026-05-16-internal-developer-platforms-2026-backstage-port-opslevel-cortex-compass-roadie-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-internal-developer-platforms-2026-backstage-port-opslevel-cortex-compass-roadie-deep-dive.ja 2026年のIDP(Internal Developer Platform)市場を一枚の地図にまとめる。BackstageのCNCF卒業、Spotify Portalの商用化、Roadieのマネージド版、Portの意見の強いSaaS、OpsLevel/Cortexのスコアカード対決、Atlassian Compassの参入、Humanitec/Configure8という新興勢力、そしてDORA/SPACEメトリクスがIDP上でどう測定されるか — カタログ・ゴールデンパス・セルフサービス・サービスオーナーシップを軸に、セルフホスト対SaaSの判断基準を整理し、カラット、トス、サイバーエージェントCIU、メルカリの実例まで扱う。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) idpinternal-developer-platformplatform-engineeringbackstageportopslevelcortexcompassconfigure8humanitecroadieservice-catalogdora2026deep-dive日本語 https://www.youngju.dev/blog/culture/2026-05-16-internal-developer-platforms-2026-backstage-port-opslevel-cortex-compass-roadie-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-internal-developer-platforms-2026-backstage-port-opslevel-cortex-compass-roadie-deep-dive 2026년 IDP(Internal Developer Platform) 시장을 한 번에 정리한다. Backstage의 CNCF 졸업, Spotify Portal 상용화, Roadie 매니지드, Port의 의견 있는 SaaS, OpsLevel/Cortex의 스코어카드 경쟁, Atlassian Compass의 등장, Humanitec/Configure8 같은 신규 진영, 그리고 DORA/SPACE 메트릭이 IDP에서 어떻게 측정되는지까지 — 카탈로그, 골든 패스, 셀프서비스, 서비스 소유권을 키워드로 자체 호스팅 대 SaaS 선택 기준을 정리하고, 당근, 토스, CyberAgent CIU, Mercari의 실제 IDP 사례까지 다룬다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) idpinternal-developer-platformplatform-engineeringbackstageportopslevelcortexcompassconfigure8humanitecroadieservice-catalogdora2026deep-dive https://www.youngju.dev/blog/culture/2026-05-16-platform-engineering-backstage-port-cortex-crossplane-argocd-pulumi-terraform-2026-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-platform-engineering-backstage-port-cortex-crossplane-argocd-pulumi-terraform-2026-deep-dive.en In 2026 platform engineering is no longer the vague slogan of "DevOps 2.0." Team Topologies has become canonical, "Platform Team" is now a real box on the org chart, Backstage has matured past 1.40 GA, Port, Cortex, OpsLevel, and Humanitec have split the IDP market into a clean quadrant, and Crossplane and Score have redefined workload abstraction. ArgoCD and Flux are the GitOps standards, Pulumi, Terraform, and OpenTofu form the IaC troika, while Atlantis, Spacelift, and env0 automate collaboration on top. This essay walks through the entire 2026 platform engineering stack — IDP, GitOps, IaC, CI/CD, dev environments, service mesh, secrets, and policy — in one breath. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) platform-engineeringidpbackstageportcortexopslevelhumaniteccrossplaneargocdpulumiterraformopentofudevexgitopsdevops https://www.youngju.dev/blog/culture/2026-05-16-platform-engineering-backstage-port-cortex-crossplane-argocd-pulumi-terraform-2026-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-platform-engineering-backstage-port-cortex-crossplane-argocd-pulumi-terraform-2026-deep-dive.ja 2026年のプラットフォームエンジニアリングはもはや「DevOps 2.0」という曖昧なスローガンではない。Team Topologiesが定説となり、「Platform Team」が組織図の一枠として実在するようになり、Backstage 1.40系がGA安定段階に入り、Port・Cortex・OpsLevel・HumanitecがIDP市場を四象限に整理し、Crossplane・Scoreがワークロード抽象を再定義した。ArgoCD・FluxはGitOps標準となり、Pulumi・Terraform・OpenTofuがIaCのトロイカを形成し、その上にAtlantis・Spacelift・env0が協調を自動化する。本稿はIDP・GitOps・IaC・CI/CD・Dev環境・サービスメッシュ・シークレット・ポリシーまで — 2026年のプラットフォームエンジニアリング全体スタックを一気通貫で整理する。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) platform-engineeringidpbackstageportcortexopslevelhumaniteccrossplaneargocdpulumiterraformopentofudevexgitopsdevops https://www.youngju.dev/blog/culture/2026-05-16-platform-engineering-backstage-port-cortex-crossplane-argocd-pulumi-terraform-2026-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-platform-engineering-backstage-port-cortex-crossplane-argocd-pulumi-terraform-2026-deep-dive 2026년 플랫폼 엔지니어링은 더 이상 "DevOps 2.0"이라는 모호한 슬로건이 아니다. Team Topologies가 정설이 되었고, "Platform Team"이 조직도의 한 칸으로 들어왔고, Backstage 1.40대가 GA이며, Port·Cortex·OpsLevel·Humanitec이 IDP 시장을 사분면으로 갈라 놨고, Crossplane·Score가 워크로드 추상화를 다시 정의했다. ArgoCD·Flux는 GitOps 표준이 되었고, Pulumi·Terraform·OpenTofu가 IaC 트로이카를 이루며, Atlantis·Spacelift·env0이 그 위에서 협업을 자동화한다. 이 글은 IDP·GitOps·IaC·CI/CD·Dev Environment·Service Mesh·Secrets·Policy까지 — 2026년의 플랫폼 엔지니어링 전체 스택을 한 호흡으로 정리한다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) platform-engineeringidpbackstageportcortexopslevelhumaniteccrossplaneargocdpulumiterraformopentofudevexgitopsdevops