+
+|
+
+`commafeed.hide-from-web-crawlers`
+
+Whether to expose a robots.txt file that disallows web crawlers and search engine indexers.
+
+
+
+Environment variable: `COMMAFEED_HIDE_FROM_WEB_CRAWLERS` |
+
+
+boolean
+ |
+
+
+`true`
+ |
+
+
+|
+
+`commafeed.image-proxy-enabled`
+
+If enabled, images in feed entries will be proxied through the server instead of accessed directly by the browser.
+
+This is useful if commafeed is accessed through a restricting proxy that blocks some feeds that are followed.
+
+
+
+Environment variable: `COMMAFEED_IMAGE_PROXY_ENABLED` |
+
+
+boolean
+ |
+
+
+`false`
+ |
+
+
+|
+
+`commafeed.password-recovery-enabled`
+
+Enable password recovery via email.
+
+Quarkus mailer will need to be configured.
+
+
+
+Environment variable: `COMMAFEED_PASSWORD_RECOVERY_ENABLED` |
+
+
+boolean
+ |
+
+
+`false`
+ |
+
+
+|
+
+`commafeed.announcement`
+
+Message displayed in a notification at the bottom of the page.
+
+
+
+Environment variable: `COMMAFEED_ANNOUNCEMENT` |
+
+
+string
+ |
+
+
+
+ |
+
+
+|
+
+`commafeed.google-analytics-tracking-code`
+
+Google Analytics tracking code.
+
+
+
+Environment variable: `COMMAFEED_GOOGLE_ANALYTICS_TRACKING_CODE` |
+
+
+string
+ |
+
+
+
+ |
+
+
+|
+
+`commafeed.google-auth-key`
+
+Google Auth key for fetching Youtube channel favicons.
+
+
+
+Environment variable: `COMMAFEED_GOOGLE_AUTH_KEY` |
+
+
+string
+ |
+
+
+
+ |
+
+
+
+|
+HTTP client configuration
+ |
+
+
+
+
+|
+
+`commafeed.http-client.user-agent`
+
+User-Agent string that will be used by the http client, leave empty for the default one.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_USER_AGENT` |
+
+
+string
+ |
+
+
+
+ |
+
+
+|
+
+`commafeed.http-client.connect-timeout`
+
+Time to wait for a connection to be established.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_CONNECT_TIMEOUT` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`5S`
+ |
+
+
+|
+
+`commafeed.http-client.ssl-handshake-timeout`
+
+Time to wait for SSL handshake to complete.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_SSL_HANDSHAKE_TIMEOUT` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`5S`
+ |
+
+
+|
+
+`commafeed.http-client.socket-timeout`
+
+Time to wait between two packets before timeout.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_SOCKET_TIMEOUT` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`10S`
+ |
+
+
+|
+
+`commafeed.http-client.response-timeout`
+
+Time to wait for the full response to be received.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_RESPONSE_TIMEOUT` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`10S`
+ |
+
+
+|
+
+`commafeed.http-client.connection-time-to-live`
+
+Time to live for a connection in the pool.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_CONNECTION_TIME_TO_LIVE` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`30S`
+ |
+
+
+|
+
+`commafeed.http-client.idle-connections-eviction-interval`
+
+Time between eviction runs for idle connections.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_IDLE_CONNECTIONS_EVICTION_INTERVAL` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`1M`
+ |
+
+
+|
+
+`commafeed.http-client.max-response-size`
+
+If a feed is larger than this, it will be discarded to prevent memory issues while parsing the feed.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_MAX_RESPONSE_SIZE` |
+
+
+MemorySize [🛈](#memory-size-note-anchor)
+ |
+
+
+`5M`
+ |
+
+
+
+|
+ HTTP client cache configuration
+ |
+
+
+
+
+|
+
+`commafeed.http-client.cache.enabled`
+
+Whether to enable the cache. This cache is used to avoid spamming feeds in short bursts (e.g. when subscribing to a feed for the
+first time or when clicking "fetch all my feeds now").
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_CACHE_ENABLED` |
+
+
+boolean
+ |
+
+
+`true`
+ |
+
+
+|
+
+`commafeed.http-client.cache.maximum-memory-size`
+
+Maximum amount of memory the cache can use.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_CACHE_MAXIMUM_MEMORY_SIZE` |
+
+
+MemorySize [🛈](#memory-size-note-anchor)
+ |
+
+
+`10M`
+ |
+
+
+|
+
+`commafeed.http-client.cache.expiration`
+
+Duration after which an entry is removed from the cache.
+
+
+
+Environment variable: `COMMAFEED_HTTP_CLIENT_CACHE_EXPIRATION` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`1M`
+ |
+
+
+
+|
+Feed refresh engine settings
+ |
+
+
+
+
+|
+
+`commafeed.feed-refresh.interval`
+
+Amount of time CommaFeed will wait before refreshing the same feed.
+
+
+
+Environment variable: `COMMAFEED_FEED_REFRESH_INTERVAL` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`5M`
+ |
+
+
+
+
+`commafeed.feed-refresh.interval-empirical`
+
+If true, CommaFeed will calculate the next refresh time based on the feed's average time between entries and the time since the
+last entry was published. The interval will be somewhere between the default refresh interval and 24h.
+
+See FeedRefreshIntervalCalculator for details.
+
+
+
+Environment variable: `COMMAFEED_FEED_REFRESH_INTERVAL_EMPIRICAL` |
+
+
+boolean
+ |
+
+
+`false`
+ |
+
+
+|
+
+`commafeed.feed-refresh.http-threads`
+
+Amount of http threads used to fetch feeds.
+
+
+
+Environment variable: `COMMAFEED_FEED_REFRESH_HTTP_THREADS` |
+
+
+int
+ |
+
+
+`3`
+ |
+
+
+|
+
+`commafeed.feed-refresh.database-threads`
+
+Amount of threads used to insert new entries in the database.
+
+
+
+Environment variable: `COMMAFEED_FEED_REFRESH_DATABASE_THREADS` |
+
+
+int
+ |
+
+
+`1`
+ |
+
+
+|
+
+`commafeed.feed-refresh.user-inactivity-period`
+
+Duration after which a user is considered inactive. Feeds for inactive users are not refreshed until they log in again.
+
+0 to disable.
+
+
+
+Environment variable: `COMMAFEED_FEED_REFRESH_USER_INACTIVITY_PERIOD` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`0S`
+ |
+
+
+|
+
+`commafeed.feed-refresh.filtering-expression-evaluation-timeout`
+
+Duration after which the evaluation of a filtering expresion to mark an entry as read is considered to have timed out.
+
+
+
+Environment variable: `COMMAFEED_FEED_REFRESH_FILTERING_EXPRESSION_EVALUATION_TIMEOUT` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`500MS`
+ |
+
+
+|
+
+`commafeed.feed-refresh.force-refresh-cooldown-duration`
+
+Duration after which the "Fetch all my feeds now" action is available again after use to avoid spamming feeds.
+
+
+
+Environment variable: `COMMAFEED_FEED_REFRESH_FORCE_REFRESH_COOLDOWN_DURATION` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`0S`
+ |
+
+
+
+|
+Database settings
+ |
+
+
+
+
+|
+
+`commafeed.database.query-timeout`
+
+Timeout applied to all database queries.
+
+0 to disable.
+
+
+
+Environment variable: `COMMAFEED_DATABASE_QUERY_TIMEOUT` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`0S`
+ |
+
+
+
+|
+ Database cleanup settings
+ |
+
+
+
+
+|
+
+`commafeed.database.cleanup.entries-max-age`
+
+Maximum age of feed entries in the database. Older entries will be deleted.
+
+0 to disable.
+
+
+
+Environment variable: `COMMAFEED_DATABASE_CLEANUP_ENTRIES_MAX_AGE` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`365D`
+ |
+
+
+|
+
+`commafeed.database.cleanup.statuses-max-age`
+
+Maximum age of feed entry statuses (read/unread) in the database. Older statuses will be deleted.
+
+0 to disable.
+
+
+
+Environment variable: `COMMAFEED_DATABASE_CLEANUP_STATUSES_MAX_AGE` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`0S`
+ |
+
+
+|
+
+`commafeed.database.cleanup.max-feed-capacity`
+
+Maximum number of entries per feed to keep in the database.
+
+0 to disable.
+
+
+
+Environment variable: `COMMAFEED_DATABASE_CLEANUP_MAX_FEED_CAPACITY` |
+
+
+int
+ |
+
+
+`500`
+ |
+
+
+|
+
+`commafeed.database.cleanup.max-feeds-per-user`
+
+Limit the number of feeds a user can subscribe to.
+
+0 to disable.
+
+
+
+Environment variable: `COMMAFEED_DATABASE_CLEANUP_MAX_FEEDS_PER_USER` |
+
+
+int
+ |
+
+
+`0`
+ |
+
+
+|
+
+`commafeed.database.cleanup.batch-size`
+
+Rows to delete per query while cleaning up old entries.
+
+
+
+Environment variable: `COMMAFEED_DATABASE_CLEANUP_BATCH_SIZE` |
+
+
+int
+ |
+
+
+`100`
+ |
+
+
+
+|
+Users settings
+ |
+
+
+
+
+|
+
+`commafeed.users.allow-registrations`
+
+Whether to let users create accounts for themselves.
+
+
+
+Environment variable: `COMMAFEED_USERS_ALLOW_REGISTRATIONS` |
+
+
+boolean
+ |
+
+
+`false`
+ |
+
+
+|
+
+`commafeed.users.strict-password-policy`
+
+Whether to enable strict password validation (1 uppercase char, 1 lowercase char, 1 digit, 1 special char).
+
+
+
+Environment variable: `COMMAFEED_USERS_STRICT_PASSWORD_POLICY` |
+
+
+boolean
+ |
+
+
+`true`
+ |
+
+
+|
+
+`commafeed.users.create-demo-account`
+
+Whether to create a demo account the first time the app starts.
+
+
+
+Environment variable: `COMMAFEED_USERS_CREATE_DEMO_ACCOUNT` |
+
+
+boolean
+ |
+
+
+`false`
+ |
+
+
+
+|
+Websocket settings
+ |
+
+
+
+
+|
+
+`commafeed.websocket.enabled`
+
+Enable websocket connection so the server can notify web clients that there are new entries for feeds.
+
+
+
+Environment variable: `COMMAFEED_WEBSOCKET_ENABLED` |
+
+
+boolean
+ |
+
+
+`true`
+ |
+
+
+|
+
+`commafeed.websocket.ping-interval`
+
+Interval at which the client will send a ping message on the websocket to keep the connection alive.
+
+
+
+Environment variable: `COMMAFEED_WEBSOCKET_PING_INTERVAL` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`15M`
+ |
+
+
+|
+
+`commafeed.websocket.tree-reload-interval`
+
+If the websocket connection is disabled or the connection is lost, the client will reload the feed tree at this interval.
+
+
+
+Environment variable: `COMMAFEED_WEBSOCKET_TREE_RELOAD_INTERVAL` |
+
+
+[Duration](https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/time/Duration.html) [🛈](#duration-note-anchor)
+ |
+
+
+`30S`
+ |
+
+
+