The use case.
SotySolar (Be Energy Part) installs solar across Spain and Portugal. Growth made virtual machines and manual process a bottleneck. They needed an internal developer platform so software delivery could keep up with installations.
How they use Resizes.
Resizes worked with SotySolar on Platform: GitOps, containerised delivery, and the operational practices of an internal developer platform, aimed at moving solar operations off traditional virtual machines.
We wrote about that collaboration in the journal. The public article is the detailed story of the intended IDP work.
Case study.
Situation.
SotySolar (Be Energy Part S.L.) had more than 12,000 solar panels installed across Spain and Portugal. The journal’s baseline is DigitalOcean virtual machines and manual processes, an 8-minute container build, and MongoDB 5.x approaching end-of-life support in October 2024.
What Resizes did.
The journal describes a nine-month programme with Platform: GitOps with ArgoCD, and containerised delivery. Months 1-2 were infrastructure assessment and migration planning. Months 3-4 were the migration from DigitalOcean to AWS and the adoption of Kubernetes. Months 5-6 were CI/CD optimization and security hardening. Months 7-9 were performance tuning and monitoring. The architecture it names is Amazon EKS on Kubernetes 1.28, Aurora PostgreSQL 15 and RDS, a 3-replica MongoDB 7.x cluster, ElastiCache Redis 7.x, S3 with cross-region replication, AWS Secrets Manager and IAM roles, and CloudWatch with Prometheus and Grafana. The build work used multi-stage Docker builds. The journal also cites AWS’s pledge to match 100% of their energy usage with renewable sources by 2025 and achieve carbon neutrality by 2040.
Outcome.
The journal story, published 27 June 2025, reports these results: more than 2 hours saved per deployment cycle (a 75% reduction), 30% lower infrastructure spending, 60% faster build times, a 60% reduction in final image size, 99.9% uptime with self-healing infrastructure, 99.9% uptime during peak solar installation season, a 40% reduction in carbon footprint through efficient resource use, and a 3x increase in deployment frequency. It also reports 3x faster feature delivery compared to industry average, 30% lower infrastructure costs than competitors, and describes SotySolar as the first solar company in Spain with enterprise-grade cloud infrastructure.
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