DIGITRANS-CM (AGROCAM S.A.)
5 microservices for a Cameroonian agro-industrial group — built for offline field agents and tamper-proof traceability from farm to market.
My role
Solution Architect & Software Engineer
Period
May 2026 — June 2026
Independent microservices
API Gateway, ERP, CRM, Supply Chain, BI
Field data loss rate
Offline-first Supply Chain module with batch sync
Environment provisioning
Reduced from 3 days to 45 minutes using Terraform IaC
Local Law 2010/012 compliance
On-premise sovereignty for financial and HR data
AGROCAM S.A. managed its operations on an obsolete monolith. The main bottleneck wasn't server load, but the inability of rural field agents to log data without network connectivity. Local compliance laws and food-grade supply chains also demanded data sovereignty and immutable auditability.
01. Business Challenge & Regional Constraints
Traditional cloud architectures often fail in rural African environments where 2G/3G connectivity is spotty. AGROCAM field agents were losing operational logs during outages. Furthermore, Cameroonian Law n°2010/012 restricts storing financial and HR data outside national borders, ruling out pure public cloud.
"Cloud architecture in Africa must be built for operational reality: intermittent connectivity, local data sovereignty, and offline resilience."
02. Distributed Architecture & Offline Sync
I designed a 5-domain microservices architecture. The core innovation is the offline-first Supply Chain module: agents capture operations locally, while a background Redis worker manages deduplication and batch sync upon signal recovery. For batch auditing, Hyperledger Fabric ensures tamper-proof chaincode logging.
Offline-First Batch Sync
Deduplication via offline_id and Redis Dead-Letter Queue retry mechanisms.
Hyperledger Fabric Traceability
Private immutable ledger recording each agricultural transit step from farm to retail.
Terraform Hybrid Cloud
Web workloads on AWS (af-south-1), identity on Azure, regulated data on-premise in Douala.
CI/CD & Automated Alerting
5-stage GitHub Actions pipeline with Prometheus/Grafana monitoring and documented DRP.
03. Impact & Takeaways
Zero field data was lost during the 3-month pilot. Environment provisioning dropped from 3 days to 45 minutes thanks to Infrastructure as Code, guaranteeing full legal and operational compliance.
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