Add on-premises deployment blog post and banner

[Alek99]

This PR adds:

• New blog post about Reflex Build on-premises deployment offering
• Banner on the website linking to the on-premises blog post
• Updated blog image display to prevent cropping (changed from object-cover to object-contain)
• Three new images: on-prem.png, industries.png, connection.png

The blog post covers:

• Why organizations need on-premises deployment
• Infrastructure & deployment details (Helm charts, Docker, maintenance)
• System integration capabilities
• Performance optimization features
• Data sovereignty & security (zero PII, strict data confinement)
• Builder features (AI-powered app building, private projects, enterprise integrations)
• Use cases for different industries

[greptile-apps]

Greptile Overview

Greptile Summary

This PR adds a new blog post announcing Reflex Build's on-premises deployment offering and updates the website banner to promote it.

Key Changes:

• New comprehensive blog post covering on-premises deployment features, security benefits, and industry use cases
• Banner updated to link to the new blog post instead of Product Hunt promotion
• Blog image display improved from object-cover to object-contain to prevent cropping of blog images
• Three new supporting images added (on-prem.png, industries.png, connection.png)
• Minor layout adjustment to first post card width for better proportions

The implementation is clean and straightforward with no logical issues, security concerns, or custom rule violations.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• All changes are content additions and minor styling adjustments with no functional complexity; no custom rule violations; well-structured blog post with proper metadata; banner implementation is simple and follows existing patterns
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
blog/2025-12-05-on-premises-deployment.md	5/5	New blog post about on-premises deployment; well-structured with metadata, clear sections, and proper image references
pcweb/components/hosting_banner.py	5/5	Updated banner to promote on-prem blog post; added new event handler and simplified banner content
pcweb/pages/blog/page.py	5/5	Changed blog image display from object-cover to object-contain to prevent cropping; increased max-height from 25rem to 40rem
pcweb/pages/blog/blog.py	5/5	Adjusted first post card width from w-1/2 to w-2/5 for better layout proportions

Sequence Diagram

sequenceDiagram
    participant User
    participant Browser
    participant HostingBannerState
    participant BlogPage
    
    User->>Browser: Visit website
    Browser->>HostingBannerState: on_mount event triggers
    HostingBannerState->>HostingBannerState: show_blog_banner()
    HostingBannerState->>HostingBannerState: set show_banner = True
    HostingBannerState->>Browser: Render banner with blog link
    
    alt User clicks banner
        User->>Browser: Click banner link
        Browser->>BlogPage: Navigate to /blog/2025-12-05-on-premises-deployment/
        BlogPage->>Browser: Render blog post with images
        Note over BlogPage: Images use object-contain<br/>to prevent cropping
    else User dismisses banner
        User->>HostingBannerState: Click X icon
        HostingBannerState->>HostingBannerState: hide_banner()
        HostingBannerState->>HostingBannerState: set force_hide_banner = True
        HostingBannerState->>Browser: Hide banner
    end

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[greptile-apps]

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[picklelo]

Looks good - we should highlight more that we can securely connect with their company data sources, I think that's one of the biggest unlocks.

[picklelo]

nice lgtm