Dated hub for articles and walkthroughs with categories linking to full GitHub Pages content.https://jajera.github.io/https://jajera.github.io/guides/2026-08-16-seiscomp-ecs-lab/https://jajera.github.io/guides/2026-08-16-seiscomp-ecs-lab/Unofficial SeisComP lab on ECS Fargate with RDS EFS and EC2 GUI.Sun, 16 Aug 2026 00:00:00 GMTwalkthroughcontainersseiscompecsfargaterdsefsseismologygsmhttps://jajera.github.io/guides/2026-08-15-seiscomp-containers-lab/https://jajera.github.io/guides/2026-08-15-seiscomp-containers-lab/Unofficial LEARN SeisComP lab as one Docker Compose service per process using gsm.Sat, 15 Aug 2026 00:00:00 GMTwalkthroughcontainersseiscompdockercomposeseismologyec2gsmhttps://jajera.github.io/guides/2026-08-15-seiscomp-lab/https://jajera.github.io/guides/2026-08-15-seiscomp-lab/Single host SeisComP learning lab on AWS Ubuntu.Sat, 15 Aug 2026 00:00:00 GMTwalkthroughgeneralseiscompseismologyec2ubuntugsmgeofonhttps://jajera.github.io/guides/2026-08-12-privatelink-conduit/https://jajera.github.io/guides/2026-08-12-privatelink-conduit/Cross-account PrivateLink into a private 3-tier API — same-Region Sydney, cross-Region Melbourne, and why New Zealand cannot join the cross-Region path today.Wed, 12 Aug 2026 00:00:00 GMTwalkthroughnetworkingprivatelinkvpcnlbcross-regionterraformmulti-accounthttps://jajera.github.io/guides/2026-08-11-ec2-application-status-checks/https://jajera.github.io/guides/2026-08-11-ec2-application-status-checks/Amazon EC2 application status checks walkthrough for in network HTTP probes and optional Auto Scaling replacement.Tue, 11 Aug 2026 00:00:00 GMTwalkthroughgeneralec2autoscalingmonitoringhealth-checkshttps://jajera.github.io/guides/2026-07-15-bind-to-route53-mirror/https://jajera.github.io/guides/2026-07-15-bind-to-route53-mirror/Keep on-prem BIND authoritative and mirror zones into Route 53 so cloud workloads resolve the same private DNS names.Wed, 15 Jul 2026 00:00:00 GMTwalkthroughdnsbindroute53hybrid-dnslambdaaxfrvpnterraformhttps://jajera.github.io/guides/2026-07-14-kiro-birthday-2026-challenge/https://jajera.github.io/guides/2026-07-14-kiro-birthday-2026-challenge/Kiro Birthday Week Day 1 — a docs sync check hook, with Builder Center write-up, demo video, and LinkedIn share.Tue, 14 Jul 2026 00:00:00 GMTarticletoolingkirohooksbirthday-challengedocs-syncaws-builder-centerhttps://jajera.github.io/guides/2026-07-12-pr-readiness-coach/https://jajera.github.io/guides/2026-07-12-pr-readiness-coach/AI coach that checks branch readiness before you open a pull request — local CLI, AWS API, GitHub Actions comments, Kiro hooks, and an owner UI.Sun, 12 Jul 2026 00:00:00 GMTwalkthroughtoolinggithub-actionsbedrockcdkamplifyciproductivityhttps://jajera.github.io/guides/2026-07-11-aws-private-connectivity-patterns/https://jajera.github.io/guides/2026-07-11-aws-private-connectivity-patterns/Deploy and compare five private cross-account patterns — VPC Peering, PrivateLink, VPC Lattice, Transit Gateway, and Cloud WAN.Sat, 11 Jul 2026 00:00:00 GMTwalkthroughnetworkingprivatelinkvpc-latticepeeringtransit-gatewaycloud-wanmulti-accounthttps://jajera.github.io/guides/2026-06-24-s3-vectors-rag/https://jajera.github.io/guides/2026-06-24-s3-vectors-rag/Vector search without a vector database — Amazon S3 Vectors, Bedrock embeddings, and a serverless RAG app.Wed, 24 Jun 2026 00:00:00 GMTwalkthroughstorages3-vectorsbedrockraglambdaamplifyterraformhttps://jajera.github.io/guides/2026-06-23-s3-annotations/https://jajera.github.io/guides/2026-06-23-s3-annotations/Attach structured JSON metadata to S3 objects — demonstrated on GeoNet volcano camera imagery from Te Kaha.Tue, 23 Jun 2026 00:00:00 GMTwalkthroughstorages3-annotationsgeonetlambdaamplifyterraformhttps://jajera.github.io/guides/2026-06-22-route53-classic-multi-account/https://jajera.github.io/guides/2026-06-22-route53-classic-multi-account/Share one private hosted zone across three accounts and two regions — classic VPC association authorization, no Profiles or RAM.Mon, 22 Jun 2026 00:00:00 GMTwalkthroughdnsroute53multi-accountprivate-dnsterraformhttps://jajera.github.io/guides/2026-06-21-event-driven-serverless/https://jajera.github.io/guides/2026-06-21-event-driven-serverless/Deploy an AWS event-driven platform for GNSS RINEX ingest, TEC calibration, and visualization.Sun, 21 Jun 2026 00:00:00 GMTwalkthroughserverlesseventbridgelambdasqsamplifyterraformgnsshttps://jajera.github.io/guides/2026-06-20-aws-gcp-interconnect/https://jajera.github.io/guides/2026-06-20-aws-gcp-interconnect/Private connectivity between AWS and GCP — no VPN, no colocation, no public internet.Sat, 20 Jun 2026 00:00:00 GMTwalkthroughnetworkinginterconnectgcphybridterraformprivate-connectivityhttps://jajera.github.io/guides/2026-06-20-lambda-managed-instances/https://jajera.github.io/guides/2026-06-20-lambda-managed-instances/Theory-first guide to Lambda Managed Instances — fundamentals, quotas, and hands-on walkthrough pages as they publish.Sat, 20 Jun 2026 00:00:00 GMTwalkthroughserverlesslambdamanaged-instancescapacity-provideriamhttps://jajera.github.io/guides/2026-06-20-ecs-express-mode/https://jajera.github.io/guides/2026-06-20-ecs-express-mode/Deploy HTTP/HTTPS containers on ECS with a single Terraform resource — managed ALB, auto scaling, and HTTPS URL included.Sat, 20 Jun 2026 00:00:00 GMTwalkthroughcontainersecsexpress-modealbterraformfargatehttps://jajera.github.io/guides/2026-06-20-s3-files-workloads/https://jajera.github.io/guides/2026-06-20-s3-files-workloads/Mount an S3 bucket as an NFS file system on EC2, ECS Fargate, and Lambda — CLI and Terraform paths.Sat, 20 Jun 2026 00:00:00 GMTwalkthroughstorages3-filesefsec2lambdaecsterraformhttps://jajera.github.io/guides/2026-06-19-amazon-vpc-ipam-multi-account/https://jajera.github.io/guides/2026-06-19-amazon-vpc-ipam-multi-account/Org-wide VPC IPAM across four accounts and two regions — delegated admin, RAM pool sharing, and pool-backed workload VPCs.Fri, 19 Jun 2026 00:00:00 GMTwalkthroughnetworkingipamrammulti-accountterraformvpchttps://jajera.github.io/guides/2026-06-18-aws-iot-walkthrough/https://jajera.github.io/guides/2026-06-18-aws-iot-walkthrough/Connect ESP32-S3 to AWS IoT Core — pretest flash and serial, then Terraform for rules, Lambda, DynamoDB, API, and Amplify dashboard.Thu, 18 Jun 2026 00:00:00 GMTwalkthroughiotiot-coreesp32mqttterraformamplifylambdahttps://jajera.github.io/guides/2026-04-07-greenfield-eks-standard-vs-auto-mode/https://jajera.github.io/guides/2026-04-07-greenfield-eks-standard-vs-auto-mode/Practical greenfield guide to choosing Standard EKS versus EKS Auto Mode — cost, who runs what, and a decision rubric without legacy baggage.Tue, 07 Apr 2026 00:00:00 GMTarticlecontainersekskubernetesauto-modeawsdecision-guidehttps://jajera.github.io/guides/2025-11-15-iam-policy-guard-hackathon/https://jajera.github.io/guides/2025-11-15-iam-policy-guard-hackathon/Serverless IAM guard that detects dangerous policy changes and remediates them in seconds — Lambda Hackathon 2025.Sat, 15 Nov 2025 00:00:00 GMTarticleserverlessiamsecuritylambdacloudtrailhackathonbedrockhttps://jajera.github.io/guides/2025-09-18-vpc-lattice-community-day/https://jajera.github.io/guides/2025-09-18-vpc-lattice-community-day/Talk resources for modern service networking with VPC Lattice — agenda, links, and a Terraform example.Thu, 18 Sep 2025 00:00:00 GMTarticlenetworkingvpc-latticecommunity-daytalkservice-networkinghttps://jajera.github.io/guides/2025-05-05-amazon-q-cli-slides/https://jajera.github.io/guides/2025-05-05-amazon-q-cli-slides/Slide deck on Amazon Q for development — history, install, CLI habits, and demo projects scaffolded with q chat.Mon, 05 May 2025 00:00:00 GMTarticletoolingamazon-qclideveloper-toolsslideshttps://jajera.github.io/guides/2025-01-07-github-actions-working-directory/https://jajera.github.io/guides/2025-01-07-github-actions-working-directory/Where GitHub Actions stores files during a run — default workspace, working-directory scopes, action paths, and path-related environment variables.Tue, 07 Jan 2025 00:00:00 GMTarticletoolinggithub-actionscicdautomationpaths