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Building Micro-Frontends with Single-Spa

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Introduction Micro-services architecture is becoming trendy since it is a suitable option many projects, specially those that are complex and we want to be able spilt our business logic into different services that can be built and deliver independently. In spite of the fact that micro-services architectures are more complex, they increase the resilience of your system and increase the time-to-market delivery, which can be crucial for many companies. But it is not all about services and backend. With the introduction of single page applications (SPAs), we can build fully-functional user interfaces that can work independently in the browser. And here we should ask ourselves the same questions as for backend applications: Is my SPA becoming a huge monolith? Would I like to deliver functional modules independently? If you using micro-services, is there a relation between my services and your UI? Do we want to have functional teams that can deliver new features (frontend+backend) independe
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Why you should migrate your old csproj to SDK format

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Introduction  With the introduction of Visual Studio 2017, the format used for csproj was updated including several advantages. This new format will be used when you create a new .Net Core project or .Net Standard library. In spite of the fact that VS2017 continues supporting old csproj format, you can migrate your old projects to SDK format. As a result, you will have the following benefits: Cleaner csproj files. With new format, a lot of things can be omitted, so your csproj files will be cleaner. Files are included using a wildcard , instead of including every single file.  Solution project references are simplier . NuGet reference packages as PackageReferences , so you won't need packages.config and you will be able to use wildcard in your references (for example, 1.0.*). NuGet package definition as a part of the project file. You won't need more nuspec files. Definition of AssemblyInfo attributes in csproj , you won't need more AssemblyInfo.cs files. In ad
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AWS assuming role + MFA with pulumi (and other applications)

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Introduction In AWS, managing your IAM in a centralized account is a good practice, so then you can assume a role to access to other accounts without need of duplicating users. You can find more info about this approach in this article . In addition, for security reasons, it is highly recommended to enable MFA (Multi-factor Authentication), so you need a device to generate a temporary code to get access. In the image below it is showed how assume role with MFA works, but you also have an article about MFA in this link . This approach is really useful and most of the configuration can be automated with pulumi (or other providers like terraform or CloudFormation). And once it is configured, you can switch your role and get access to other accounts with a few clicks.  However, when it comes to external software such us pulumi, getting access assuming a role and using MFA might not be too straightforward. In this article we will see how this can be configured and how we can easily refresh
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