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A lexicon-driven AppView for ATProto.
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123456789101112131415161718192021222324252627<!doctype html><html lang="en" dir="ltr" class="docs-wrapper plugin-docs plugin-id-default docs-version-current docs-doc-page docs-doc-id-getting-started/configuration" data-has-hydrated="false"><head><meta charset="UTF-8"><meta name="generator" content="Docusaurus v3.10.0"><title data-rh="true">Configuration | HappyView</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:image" content="https://happyview.dev/img/og.png"><meta data-rh="true" name="twitter:image" content="https://happyview.dev/img/og.png"><meta data-rh="true" property="og:url" content="https://happyview.dev/getting-started/configuration"><meta data-rh="true" property="og:locale" content="en"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="Configuration | HappyView"><meta data-rh="true" name="description" content="HappyView is configured via environment variables. A .env file in the project root is loaded automatically on startup. See Deployment for local setup or Production Deployment for production setup."><meta data-rh="true" property="og:description" content="HappyView is configured via environment variables. A .env file in the project root is loaded automatically on startup. 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breadcrumbs__item--active"><span class="breadcrumbs__link">Configuration</span></li></ul></nav><div class="tocCollapsible_vaUl theme-doc-toc-mobile tocMobile_CcuZ"><button type="button" class="clean-btn tocCollapsibleButton__AHn">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Configuration</h1></header><p>HappyView is configured via environment variables. A <code>.env</code> file in the project root is loaded automatically on startup. See <a class="" href="/getting-started/deployment/docker">Deployment</a> for local setup or <a class="" href="/reference/production-deployment">Production Deployment</a> for production setup.</p><h2 class="anchor anchorTargetStickyNavbar_zGuS" id="environment-variables">Environment variables<a href="#environment-variables" class="hash-link" aria-label="Direct link to Environment variables" title="Direct link to Environment variables" translate="no"></a></h2><table><thead><tr><th>Variable</th><th>Required</th><th>Default</th><th>Description</th></tr></thead><tbody><tr><td><code>DATABASE_URL</code></td><td>yes</td><td>---</td><td>Database connection string. SQLite (<code>sqlite://path/to/db?mode=rwc</code>) or Postgres (<code>postgres://user:pass@host/db</code>)</td></tr><tr><td><code>DATABASE_BACKEND</code></td><td>no</td><td>auto-detected</td><td>Force <code>sqlite</code> or <code>postgres</code>. Auto-detected from <code>DATABASE_URL</code> scheme if not set</td></tr><tr><td><code>PUBLIC_URL</code></td><td>yes</td><td>---</td><td>Public-facing URL for HappyView (used for OAuth callbacks, e.g. <code>https://happyview.example.com</code>)</td></tr><tr><td><code>SESSION_SECRET</code></td><td>no</td><td>dev default</td><td>Secret key for signing session cookies (at least 64 characters). <strong>Must be set in production</strong></td></tr><tr><td><code>HOST</code></td><td>no</td><td><code>0.0.0.0</code></td><td>Bind host</td></tr><tr><td><code>PORT</code></td><td>no</td><td><code>3000</code></td><td>Bind port</td></tr><tr><td><code>JETSTREAM_URL</code></td><td>no</td><td><code>wss://jetstream1.us-east.bsky.network</code></td><td>Jetstream WebSocket URL for real-time record streaming</td></tr><tr><td><code>RELAY_URL</code></td><td>no</td><td><code>https://bsky.network</code></td><td>Relay URL for <a class="" href="/guides/backfill">backfill</a> repo discovery</td></tr><tr><td><code>PLC_URL</code></td><td>no</td><td><code>https://plc.directory</code></td><td><a href="https://github.com/did-method-plc/did-method-plc" target="_blank" rel="noopener noreferrer" class="">PLC directory</a> URL for DID resolution</td></tr><tr><td><code>STATIC_DIR</code></td><td>no</td><td><code>./web/out</code></td><td>Directory containing the built dashboard static assets</td></tr><tr><td><code>EVENT_LOG_RETENTION_DAYS</code></td><td>no</td><td><code>30</code></td><td>Number of days to keep event logs before automatic cleanup. Set to <code>0</code> to disable cleanup</td></tr><tr><td><code>TOKEN_ENCRYPTION_KEY</code></td><td>no</td><td>---</td><td>Base64-encoded 32-byte key for encrypting stored OAuth tokens. <strong>Strongly recommended in production</strong></td></tr><tr><td><code>DEFAULT_RATE_LIMIT_CAPACITY</code></td><td>no</td><td><code>100</code></td><td>Default token bucket capacity used when registering a new API client</td></tr><tr><td><code>DEFAULT_RATE_LIMIT_REFILL_RATE</code></td><td>no</td><td><code>2.0</code></td><td>Default token bucket refill rate (tokens/second) for new API clients</td></tr><tr><td><code>RUST_LOG</code></td><td>no</td><td><code>happyview=debug,tower_http=debug</code></td><td>Log filter (uses <code>tracing_subscriber::EnvFilter</code>)</td></tr><tr><td><code>APP_NAME</code></td><td>no</td><td>---</td><td>Application name shown on OAuth authorization screens. Overridden by database setting if set via admin API</td></tr><tr><td><code>LOGO_URI</code></td><td>no</td><td>---</td><td>URL to application logo for OAuth screens. Overridden by database setting or logo upload</td></tr><tr><td><code>TOS_URI</code></td><td>no</td><td>---</td><td>URL to terms of service. Overridden by database setting if set via admin API</td></tr><tr><td><code>POLICY_URI</code></td><td>no</td><td>---</td><td>URL to privacy policy. Overridden by database setting if set via admin API</td></tr></tbody></table><h2 class="anchor anchorTargetStickyNavbar_zGuS" id="example-env">Example <code>.env</code><a href="#example-env" class="hash-link" aria-label="Direct link to example-env" title="Direct link to example-env" translate="no"></a></h2><div class="language-sh codeBlockContainer_ei_j theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_p9UO"><pre tabindex="0" class="prism-code language-sh codeBlock_NBAy thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_AQpN"><div class="token-line" style="color:#bfc7d5"><span class="token plain"># SQLite (default — zero setup required)</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">DATABASE_URL=sqlite://data/happyview.db?mode=rwc</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">PUBLIC_URL=http://localhost:3000</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain">SESSION_SECRET=change-me-in-production</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># Or use Postgres instead:</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># DATABASE_URL=postgres://happyview:happyview@localhost/happyview</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># Optional overrides</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># HOST=0.0.0.0</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># PORT=3000</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># JETSTREAM_URL=wss://jetstream1.us-east.bsky.network</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># RELAY_URL=https://bsky.network</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># PLC_URL=https://plc.directory</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># STATIC_DIR=./web/out</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># EVENT_LOG_RETENTION_DAYS=30</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># TOKEN_ENCRYPTION_KEY=base64-encoded-32-byte-key</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># DEFAULT_RATE_LIMIT_CAPACITY=100</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># DEFAULT_RATE_LIMIT_REFILL_RATE=2.0</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># RUST_LOG=happyview=debug,tower_http=debug</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># APP_NAME=My App</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># LOGO_URI=https://example.com/logo.png</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># TOS_URI=https://example.com/tos</span><br></div><div class="token-line" style="color:#bfc7d5"><span class="token plain"># POLICY_URI=https://example.com/privacy</span><br></div></code></pre></div></div><h2 class="anchor anchorTargetStickyNavbar_zGuS" id="next-steps">Next steps<a href="#next-steps" class="hash-link" aria-label="Direct link to Next steps" title="Direct link to Next steps" translate="no"></a></h2><ul><li class=""><a class="" href="/getting-started/authentication">Authentication</a> — set up OAuth and admin users</li><li class=""><a class="" href="/getting-started/dashboard">Dashboard</a> — explore the admin dashboard</li><li class=""><a class="" href="/reference/production-deployment">Production deployment</a> — deploy HappyView to production</li></ul></div></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/reference/production-deployment"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">Production</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/getting-started/authentication"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Authentication</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_X45M thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#environment-variables" class="table-of-contents__link toc-highlight">Environment variables</a></li><li><a href="#example-env" class="table-of-contents__link toc-highlight">Example <code>.env</code></a></li><li><a href="#next-steps" class="table-of-contents__link toc-highlight">Next steps</a></li></ul></div></div></div></div></main></div></div></div><footer class="theme-layout-footer footer"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2026 <a href="https://birb.house">Birbhouse Games</a>.</div></div></div></footer></div></body></html>