docs: readme and comments

Author: doomsower

README.md

@@ -2,14 +2,17 @@
 
 for fetching the apy of different asset on diferrent protocols. For protocols Like for curve, lido, sky, pendle, defillama etc.
 
+## Developing
+
+Run `yarn start` to launch app. It will save output to `output.json` file by default. See [config](./src/core/config.ts) for env variables.
+
 ## Running as docker
 
 ```
 docker run --rm \
-  -e ONE_SHOT=true \
   -e OUTPUT_JSON=/output/output.json \
   -v "$(pwd)/tmp:/output" \
-  ghcr.io/gearbox-protocol/apy-server:1.1.0-static.1
+  ghcr.io/gearbox-protocol/apy-server
 ```
 
 ### History

src/core/config.ts

@@ -3,6 +3,10 @@ export const IS_DEV = process.env.NODE_ENV !== "production";
 export const LIDO_AUTH_TOKEN = process.env.LIDO_AUTH_TOKEN;
 export const RESOLV_AUTH_TOKEN = process.env.RESOLV_AUTH_TOKEN;
 
+/**
+ * Filename to save output to
+ * If S3_BUCKET is set, it is treated as a key in the bucket.
+ */
 export const OUTPUT_JSON = process.env.OUTPUT_JSON || "output.json";
 
 export const SENTRY_DSN = process.env.SENTRY_DSN;