69 lines
6.2 KiB
Markdown
69 lines
6.2 KiB
Markdown
---
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title: "Welcome to Okami101 Blog! :tada:"
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description: "This is adr1enbe4udou1n blog."
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---
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{{< lead >}}
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A 🧔🌍💻 aka senior web developer @Bretagne 🇫🇷
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{{< /lead >}}
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Hi folks, I'm a web lover actually working [@Cesson-Sévigné](https://fr.wikipedia.org/wiki/Cesson-S%C3%A9vign%C3%A9), mastering :
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* [`ASP.NET Core`](https://docs.microsoft.com/fr-fr/aspnet/core/?view=aspnetcore-6.0) with `C#` and [`Laravel`](https://laravel.com/) as favorite backend frameworks
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* [`Vue 3`](https://vuejs.org/) by [*Composition API*](https://vuejs.org/guide/extras/composition-api-faq.html) with [`Typescript`](https://www.typescriptlang.org/)
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* *Utility-first CSS frameworks* as [`Tailwind`](https://tailwindcss.com/) / [`Windi CSS`](https://windicss.org/) / [`UnoCSS`](https://github.com/unocss/unocss), but also comfortable with [`Sass`](https://sass-lang.com/) with **BEM** implementation
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I can develop proper API design following [**DDD / Hexa**](https://en.wikipedia.org/wiki/Domain-driven_design) principles if applicable. In addition to above `.NET` and `PHP` backend stacks, I'm also confident with :
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* [`Nest.js`](https://nestjs.com/) associated to [`MikroORM`](https://mikro-orm.io/) (*Typescript*)
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* [`FastAPI`](https://fastapi.tiangolo.com/) with [`SQLAlchemy`](https://www.sqlalchemy.org/) (*Python*)
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* [`Spring Boot`](https://spring.io/projects/spring-boot) with `Hibernate` as main JPA implementation (*Java*)
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I encourage `TDD` or at least proper **integration tests** on any backend frameworks, following **AAA** aka *Arrange Act Assert* principle :
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* `PHPUnit` or [`Pest`](https://pestphp.com/) for *PHP*
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* [`NUnit.net`](https://nunit.org/) or [`xUnit.net`](https://xunit.net/) with [`Fluent Assertions`](https://github.com/fluentassertions/fluentassertions) for *.NET Core*
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* `JUnit` with [`REST Assured`](https://rest-assured.io/) for *Spring Boot*
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* `Jest` and `pytest` on respective *NodeJS* end *Python* stacks
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Fully embracing app containerization with `Docker` and `Kubernetes`, from local, staging to production, I push to use properly configured **CI/CD** whenever possible in order to enforce **continuous automatized testing, linting and code styling** at many languages ([`ESLint`](https://eslint.org/), [`Prettier`](https://prettier.io/), [`PHP CS fixer`](https://cs.symfony.com/), [`PHPStan`](https://github.com/phpstan/phpstan), [`Black`](https://black.readthedocs.io/en/stable/), [`mypy`](http://mypy-lang.org/), [`Google Java Format`](https://github.com/google/google-java-format), [`Spotless`](https://github.com/diffplug/spotless), and so on...).
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Mastering installations and maintenance of `Docker Swarm` or bare metal `Kubernetes` clusters with **HA** architecture. Here some cloud native tools solutions I generally use :
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* [`HAProxy`] for **high-availability** across multiple frontend workers
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* [`Traefik`](https://traefik.io/traefik/) as main automatic service discovery / ingress controller
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* [`cert-manager`](https://cert-manager.io/) as central certificate solution for Kubernetes cluster
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* [`Portainer`](https://www.portainer.io/) as simple GUI for containers management
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* [`Loki`](https://grafana.com/oss/loki/), [`Prometheus`](https://prometheus.io) and [`Jaeger`](https://www.jaegertracing.io/) as respective *logging*, *metrics* and *tracing* tools
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* [`Grafana`](https://grafana.com) as GUI dashboard builder, designed for *Ops*
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* [`Gitea`](https://gitea.io/) or [`GitLab`](https://about.gitlab.com/) as self-hosted *VCS*
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* [`SonarQube`](https://www.sonarqube.org/) for automatic quality code scan
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* [`Drone`](https://www.drone.io/) or [`Concourse`](https://concourse-ci.org/) as *CI* solutions
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* [`Flux CD v2`](https://fluxcd.io/) as main *CD* solution for Kubernetes, allowing **GitOps** cluster management
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I can install and manage primary-replica databases clusters, mainly [`PostgreSQL`](https://www.postgresql.org/) and [`MySQL`](https://www.mysql.com/fr/), whether bare-metal or cloud managed with Kubernetes (statefulsets), with Prometheus metrics exporters.
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For *load testing*, I can write scenarios for both [`K6`](https://k6.io/) and [`Locust`](https://locust.io/), coupled with proper time series DB as [`InfluxDB`](https://www.influxdata.com/) and `Grafana` as visualization tool. For advanced application performance analysis, I tend to use [`OpenTelemetry`](https://opentelemetry.io/) as collection tools for proper metrics that can be exposed to `Prometheus`, and tracing, ready to export into `Jaeger`.
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Have some experiences with many mid-range cloud providers as [Digital Ocean](https://www.digitalocean.com/), [Hetzner](https://www.hetzner.com/), [OVH](https://www.ovhcloud.com/), [Scaleway](https://www.scaleway.com/), and some knowledge on [Terraform](https://www.terraform.io/) as main [*IaC*](https://en.wikipedia.org/wiki/Infrastructure_as_code) tool and [Salt](https://docs.saltproject.io/) as cluster wide configuration management.
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Some notes of this blog :
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* Powered by [`Hugo`](https://gohugo.io/)
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* Hosted on **Hetzner Cloud**, fully **GitOps managed** from my own [`Terraform project`](https://github.com/adr1enbe4udou1n/terraform-hcloud-k0s)
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* Running on bare-metal `Kubernetes` multi-nodes cluster from [`k0s`](https://k0sproject.io/) distribution
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* **HA** setup using **Hetzner LB**, targeting 2 worker nodes, with **Postgres cluster** (managed on same Kubernetes cluster)
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* `Traefik` as reverse proxy, configured for HA 🛣️
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* `cert-manager` with wildcard certificate 📜
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* Source code on my own [`Gitea`](https://gitea.okami101.io/adr1enbe4udou1n/blog)
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* Compiled by my own [`Concourse`](https://concourse.okami101.io) instance as a final docker container image into self-hosted private registry (**CI** 🏗️)
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* Automatically deployed by `Flux CD v2` to the Kubernetes cluster from [central Git source](https://gitea.okami101.io/adr1enbe4udou1n/flux-source/) (**CD** 🚀)
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* Fully monitored by self-hosted Kube Prometheus Stack 📊
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* Tracked with [`Matomo`](https://matomo.okami101.io/) 📈
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All above tools are 💯% self-hosted ! Just sadly missing my own Homelab with Proxmox because no fiber 😿
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Seems [overkill](https://twitter.com/memenetes/status/1559208569588912132) ? Yeah, but why not ? I'm not able to write a single post without all that 😿
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See some of [my open sourced works]({{< ref "works" >}} "Okami101 Works").
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