feat: Docker ENV readme file, and linking to it from main readme

DOCKER_ENV.md

@@ -0,0 +1,88 @@
+# Docker Environment Variables
+
+### GRAPH_API_KEY
+#### Description
+Set Graph Studio API key. Substitutes `[api-key]` or `{api-key}` in `DEFAULT_SUBGRAPH_*` and `DEFAULT_QOS_SUBGRAPH` ENV variables.
+#### Example
+```
+GRAPH_API_KEY="3bab348a7c385b1870039eb890fd0a5f"
+```
+
+### DEFAULT_ACCOUNTS
+#### Description
+Override default accounts for users with no cache/local storage.
+#### Example
+```
+DEFAULT_ACCOUNTS='[ { "address": "0x1b92e4cba0f82c85c1298af861247849988c788c", "name": "vincenttaglia-indexer.eth", "active": true, "chain": "arbitrum-one", "agentConnect": false, "agentEndpoint": "", "poiQuery": false, "poiQueryEndpoint": "" } ]'
+```
+
+### DEFAULT_QOS_SUBGRAPH
+#### Description
+Override default QoS subgraph.
+#### Example
+```
+DEFAULT_QOS_SUBGRAPH="https://gateway.thegraph.com/api/[api-key]/subgraphs/id/Dtr9rETvwokot4BSXaD5tECanXfqfJKcvHuaaEgPDD2D"
+```
+
+### DEFAULT_SUBGRAPH_MAINNET
+#### Description
+Override default network subgraph for mainnet Ethereum.
+#### Example
+```
+DEFAULT_SUBGRAPH_MAINNET="https://gateway.thegraph.com/api/[api-key]/subgraphs/id/9Co7EQe5PgW3ugCUJrJgRv4u9zdEuDJf8NvMWftNsBH8"
+```
+
+### DEFAULT_SUBGRAPH_ARBITRUM
+#### Description
+Override default network subgraph for Arbitrum.
+#### Example
+```
+DEFAULT_SUBGRAPH_ARBITRUM="https://gateway.thegraph.com/api/[api-key]/subgraphs/id/DZz4kDTdmzWLWsV373w2bSmoar3umKKH9y82SUKr5qmp"
+```
+
+### DEFAULT_SUBGRAPH_SEPOLIA
+#### Description
+Override default network subgraph for Sepolia.
+#### Example
+```
+DEFAULT_SUBGRAPH_SEPOLIA="https://gateway.thegraph.com/api/[api-key]/subgraphs/id/8pVKDwHniAz87CHEQsiz2wgFXGZXrbMDkrxgauVVfMJC"
+```
+### DEFAULT_SUBGRAPH_ARBITRUM_SEPOLIA
+#### Description
+Override default network subgraph for Arbitrum Sepolia.
+#### Example
+```
+DEFAULT_SUBGRAPH_ARBITRUM_SEPOLIA="https://gateway.thegraph.com/api/[api-key]/subgraphs/id/3xQHhMudr1oh69ut36G2mbzpYmYxwqCeU6wwqyCDCnqV"
+```
+
+### DEFAULT_RPC_MAINNET
+#### Description
+Override default RPC for mainnet Ethereum. Used for querying pending rewards.
+#### Example
+```
+DEFAULT_RPC_MAINNET="https://mainnet.infura.io/v3/659344f230804542a4e653f875172105"
+```
+
+### DEFAULT_RPC_ARBITRUM
+#### Description
+Override default RPC for Arbitrum. Used for querying pending rewards.
+#### Example
+```
+DEFAULT_RPC_ARBITRUM="https://arb-mainnet.g.alchemy.com/v2/er8LBcXpoFwlV8xJee-WXFbFG_M8L4JK"
+```
+
+### DEFAULT_RPC_SEPOLIA
+#### Description
+Override default RPC for Sepolia. Used for querying pending rewards.
+#### Example
+```
+DEFAULT_RPC_SEPOLIA="https://eth-sepolia.g.alchemy.com/v2/eKJ8_13LMaVi2bSITYWTMqskgsGiey8K"
+```
+
+### DEFAULT_RPC_ARBITRUM_SEPOLIA
+#### Description
+Override default RPC for Arbitrum Sepolia. Used for querying pending rewards.
+#### Example
+```
+DEFAULT_RPC_ARBITRUM_SEPOLIA="https://arbitrum-sepolia.infura.io/v3/db92de7c459f4d83a2c2c21931a6bdf0"
+```

README.md

@@ -21,6 +21,7 @@ https://thegraph.com/studio/apikeys/
 docker pull ghcr.io/vincenttaglia/indexer-tools:latest
 ```
 ### Run Image
+List of available ENV variables [here](./DOCKER_ENV.md)
 ```
 docker run \
   -p 3000:3000 \