Files

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ergosteurandClaude Opus 5 55b0752b05 fix: don't crash at boot when running under a UID with no passwd entry

os.userInfo() throws ERR_SYSTEM_ERROR (uv_os_get_passwd) for a UID that has no
/etc/passwd entry, which is exactly what `docker run --user 1234:1234` produces
— the very workaround the README recommends. Combined with the switch to a
non-root image user, this crashed the server on startup for any deployment that
needed a custom UID to read its archives.

Also document the non-root default and the /cache index volume.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011uBWhwV3wFQ5MBCcMHHem7

2026-08-14 02:08:35 -04:00

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InstaArchive Viewer

A high-performance React PWA for browsing archived Instagram data with a native-feeling interface. Supports both official Instagram exports and Instaloader archives.

Features

Advanced Carousel: Seamless, zero-latency transitions between slides with intelligent preloading. Navigating between different posts is now near-instant thanks to inter-post background preloading.
High-Res Performance: Handles 50MP+ images effortlessly using a background Web Worker and a memory-safe serial processing queue.
Persistent Local Caching: Uses IndexedDB to store parsed archives and generated thumbnails. Local folders now load instantly from cache on return visits without needing to re-upload files.
Permalinks: State is synchronized with the URL, allowing you to share direct links to archives, tabs, or specific posts. Navigating back to the explorer cleans up URL parameters automatically.
Glassy Scanning UI: A refined, translucent white terminal experience with flicker-free, double-buffered dynamic blurred backgrounds.
PWA with Auto-Update: Fully offline-capable and installable. Clients automatically receive updates when a new version is deployed to the server.
Local Privacy: All processing is done client-side. Even when using the self-hosted version, your media is processed locally in your browser and never uploaded.
Smart Fallbacks: Automatically detects usernames from folder names and uses the oldest archive image as a profile picture if one is missing.
Customizable Grid: 1:1 or 3:4 aspect ratios with adjustable "bumps" for aesthetic alignment.
Story Viewer: Native-like story experience with segmented progress bars, auto-playback, and audio controls.
Navigation Protection: Intercepts accidental browser "Back" or "Refresh" actions to protect your current session.

Deployment

Docker (Recommended)

The easiest way to run InstaArchive is using Docker.

docker run -d \
  -p 3000:3000 \
  -v /path/to/your/archives:/archives:ro \
  ghcr.io/ergosteur/instaarchive-viewer:latest

Note for Linux/SELinux users: If you see "Permission Denied" in the logs, append ,z to your volume mount: -v /path/to/archives:/archives:ro,z

Docker Compose

Create a compose.yml file:

services:
  instaarchive:
    image: ghcr.io/ergosteur/instaarchive-viewer:latest
    ports:
      - "3000:3000"
    volumes:
      - ./archives:/archives:ro,z # ,z handles SELinux permissions

Troubleshooting Permissions

If the app shows "No Archives Found" and logs EACCES: permission denied:

Check Directory Permissions: Ensure the archive folder is world-readable:
```
chmod -R 755 /path/to/archives
```
SELinux (Fedora/RHEL/CentOS): Use the :z flag in your volume mount as shown above.
User Mapping: The container runs as the non-root node user (UID 1000). If your archives are readable only by another account, run as that user instead — the container needs to list the archive directory, so --x (traverse-only) permissions are not enough:
```
docker run --user $(stat -c '%u:%g' /path/to/archives) ...
```
In Compose:
```
services:
  instaarchive:
    user: "1234:1234"   # a UID that can read your archives
```

Archive Index

On first start the server walks the archive root once and caches the result, keyed by directory mtime. This matters on network storage: for a 110k-file archive root, listing went from ~52s per request to ~0.1s. Mount a volume at /cache (or set CACHE_DIR) so the index survives restarts, otherwise it is rebuilt on every start.

Supported Archive Structure

Place your archive folders inside the mounted /archives directory. The directory name will be used as the account username.

Example Structure:

archives/
├── wanderlust_explorer/          # Instaloader format
│   ├── 2024-01-01_12-00-00_UTC.jpg
│   ├── 2024-01-01_12-00-00_UTC.json.xz
│   └── wanderlust_explorer_profile_pic.jpg
└── pixel_architect/             # Instagram Export format
    ├── 2023-12-25_pixel_architect - post_123.jpg
    ├── 2023-12-25_pixel_architect - post_123.json
    └── pixel_architect.jpg

Local Development

Prerequisites: Node.js (LTS recommended)

Install dependencies: npm install
Start dev server: npm run dev (Frontend on port 3000)
Start local backend: npm run server (Optional, serves ./_sample-archives on port 3001)
Build production: npm run build (Generates ./dist for frontend and ./dist-server for the API)

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