--- title: Best Flask posts — April 2025 | daily.dev description: The most upvoted Flask posts from April 2025, curated by the daily.dev community. canonical: https://daily.dev/tags/flask/best-of/2025/04 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/tags/flask/best-of/2025/04 og:type: website og:site_name: daily.dev og:title: Best Flask posts — April 2025 | daily.dev og:description: The most upvoted Flask posts from April 2025, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of Flask — April 2025 1. 1 [](/posts/building-a-real-time-dashboard-with-flask-and-svelte-abvxcu2qm "Building a Real-time Dashboard with Flask and Svelte") Article TestDriven.io · 2y Building a Real-time Dashboard with Flask and Svelte Learn to build a real-time analytics dashboard using Flask for the backend and Svelte for the frontend. The tutorial covers setting up a Flask backend with server-sent events (SSE) for real-time data streaming, creating a Svelte application using SvelteKit, and implementing interactive charts and graphs. Additionally, it includes handling real-time data updates and adding configurable alert thresholds for monitoring sensor data. 41 2. 2 [](/posts/shrink-your-docker-images-by-50-with-multi-stage-builds-nick-janetakis-cjb3w0g9t "Shrink Your Docker Images by ~50% with Multi-Stage Builds — Nick Janetakis") Article Nick Janetakis · 2y Shrink Your Docker Images by \~50% with Multi-Stage Builds — Nick Janetakis Learn how to significantly reduce the size of Docker images using multi-stage builds. The post provides examples for Flask, Django, Rails, Node, and Phoenix, explaining the process of splitting build time and run-time dependencies. By organizing multi-stage builds, you can create more efficient, smaller, and maintainable Docker images. 16 [See all Flask archives](/tags/flask/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/tags/flask/best-of/2025/04#page","url":"https://daily.dev/tags/flask/best-of/2025/04","name":"Best Flask Posts — April 2025","description":"The most upvoted Flask posts from April 2025, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/tags/flask/best-of/2025/04#items","numberOfItems":2,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/building-a-real-time-dashboard-with-flask-and-svelte-abvxcu2qm","name":"Building a Real-time Dashboard with Flask and Svelte"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/shrink-your-docker-images-by-50-with-multi-stage-builds-nick-janetakis-cjb3w0g9t","name":"Shrink Your Docker Images by ~50% with Multi-Stage Builds — Nick Janetakis"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Tags","item":"https://daily.dev/tags"},{"@type":"ListItem","position":3,"name":"Flask","item":"https://daily.dev/tags/flask"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/tags/flask/best-of"},{"@type":"ListItem","position":5,"name":"April 2025"}]}]} ```