Many applications are automatically tested on each commit inside a GitLab pipeline. If your application relies on a database such as PostgreSQL, it can be tempting to use an in-memory database such as H2 for tests because it is easier ...

In a blue-green deployment strategy, there are always two instances of your application running in production. A reverse proxy is used to direct traffic to either the green or the blue version. You then deploy changes to your application by ...

Different deployment environments (e.g., development, testing, staging and production) often require that different pieces of code are switched on and off. For example, you only want to send real emails in production and write to an email log in all ...

Elasticsearch is a state-of-the-art full-text search engine you might want to use in your next project. It is based on a NoSQL-like document store and optimized for amazingly fast search queries. A powerful API enables features like fuzzy matching (find ...

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