Renamed CINDY_LAST_RUN_FILE to CINDY_DATA, which now is a folder instead of a single file

Author: mkarg

README.md

@@ -5,7 +5,7 @@
 
 ## Administrate
 
-* `docker logs cindy` - Contains (at least) one entry for each processed event.
+* `docker logs cindy` - Contains (at least) one entry per synchronization run.
 
 
 ## Deploy
@@ -14,7 +14,7 @@
   - `CINDY_IP_PORT`: Cindy will listen to this IP port. The default is `8080`.
   -	`CINDY_MASTODON_HOST`: Cindy will publish events on this Mastodon host. There is no default.
   -	`CINDY_MASTODON_ACCESS_TOKEN`: Cindy uses this access token to log in to the Mastodon host. There is no default.
-  -	`CINDY_LAST_RUN_FILE`: Cindy rembembers the instant when it last pulled calenders, so it understands which calender events are new/modified, and which are old. The default is `lastRun`
+  -	`CINDY_DATA`: File system folder where Cindy persists internal data. For example, Cindy rembembers the instant when it last pulled calenders, so it understands which calender events are new/modified, and which are old. The default is `.`
   -	`CINDY_POLLING_SECONDS`: Time between two calendar polls. The default frequency is one minute, i. e. `60`.
   - `CINDY_CALENDAR_SOURCES`: Comma-separated list of download URLs of calendars to poll. There is no default.
 

src/main/java/CindyBootstrap.java

@@ -72,7 +72,7 @@ public final class CindyBootstrap {
 	public static void main(final String[] args) throws InterruptedException, ExecutionException {
 		final var mastodonHost = System.getenv("CINDY_MASTODON_HOST");
 		final var mastodonAccessToken = System.getenv("CINDY_MASTODON_ACCESS_TOKEN");
-		final var lastRunFile = Path.of(System.getenv().getOrDefault("CINDY_LAST_RUN_FILE", "lastRun"));
+		final var lastRunFile = Path.of(System.getenv().getOrDefault("CINDY_DATA", "."), "lastRun");
 		final var ipPort = Integer.parseInt(System.getenv().getOrDefault("CINDY_IP_PORT", "8080"));
 		final var pollingInterval = 1_000 * Integer.parseInt(System.getenv().getOrDefault("CINDY_POLLING_SECONDS", "60"));
 		final var sources = List.of(System.getenv().getOrDefault("CINDY_CALENDAR_SOURCES", "").split(",")).stream().map(String::trim).map(URI::create).toList();