💅 Tip about jq; docker compose cleanup

- Adds a tip about using `jq` to check the status of the node
- Removes the `version` term from the docker compose yaml files, which
  is obsolete now

demo/docker-compose.yaml

@@ -1,5 +1,3 @@
-version: "3.9"
-
 services:
   cardano-node:
     image: ghcr.io/intersectmbo/cardano-node:8.9.1

docs/docs/getting-started.md

@@ -36,7 +36,7 @@ For convenience, we provide a script `./run-docker.sh`, which combines all the f
 
 ## Set up the devnet
 
-Next, prepare the devnet configuration to bootstrap a local Cardano blockchain. 
+Next, prepare the devnet configuration to bootstrap a local Cardano blockchain.
 **Note** that we use a simplified variant of Cardano that does not require any stake pools.
 
 ```shell
@@ -56,10 +56,21 @@ docker compose logs cardano-node -f
 
 You should see traces containing `TraceAdoptedBlock`, which means that the devnet is producing blocks .. nice!
 
+
 :::info
 Do not wait too long between these two commands. If you get `TraceNoLedgerView` errors from the Cardano node, the genesis start time is too far in the past, and you need to update them by running `prepare-devnet.sh` again.
 :::
 
+:::tip
+You can use [jq](https://jqlang.github.io/jq/) to follow the logs and see the node update kinds with the
+following command:
+
+```
+docker compose logs -f --no-log-prefix cardano-node | jq -Rr 'fromjson? | .data.val.kind'
+```
+:::
+
+
 Next, we need to give Alice, Bob, and Carol some UTXOs for committing and ada for paying fees. To do this, use the `seed-devnet.sh` script, which uses the `cardano-cli` within the already running `cardano-node` container:
 
 ```shell
@@ -86,4 +97,4 @@ This will start a full-blown terminal interface loaded with signing keys corresp
 
 Using the terminal interface of any node, you can now `[i]nit` the Hydra head and `[c]ommit` pre-distributed funds to it. Note that these steps are near-instant as the devnet is producing blocks much faster than a public testnet or the mainnet. After committing from all nodes, the head will automatically open, and you can also use the `hydra-tui` or the API to create new transactions and submit them to the Hydra head.
 
-![](./open-head.png)
+![](./open-head.png)

sample-node-config/aws/docker/docker-compose.yaml

@@ -1,5 +1,3 @@
-version: "3.9"
-
 # Note: awslogs-group value depends on `key_name` under terraform.tfvars
 
 services:

sample-node-config/gcp/docker-compose.yaml

@@ -1,5 +1,3 @@
-version: "3.9"
-
 services:
   cardano-node:
     image: inputoutput/cardano-node:latest