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fix: README update on docker usage (#43) 

* use docker to setup a local dev chain.

* install docker link

* update command

* Update README.md

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* more commands to start or check a node.

* purge chain in docker

* update README

Co-authored-by: Kaichao Sun <kaichaosuna@gmail.com>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
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Jimmy Chu 2020-05-15 13:03:54 +08:00 committed by GitHub
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@ -82,27 +82,24 @@ Additional CLI usage options are available and may be shown by running `cargo ru
### Run in Docker ### Run in Docker
Install [Docker](https://docs.docker.com/get-docker/) first, then run the following command to start a single node development chain. This command will firstly comipile your code, then start a local dev netork. First, install [Docker](https://docs.docker.com/get-docker/) and [Docker Compose](https://docs.docker.com/compose/install/).
Then run the following command to start a single node development chain.
```bash ```bash
./scripts/docker_run.sh ./scripts/docker_run.sh
``` ```
If you just want to run the compiled binary, This command will firstly compile your code, and then start a local development network. You can also replace the default command (`cargo build --release && ./target/release/node-template --dev --ws-external`) by appending your own. A few useful ones are as follow.
```bash ```bash
# Run Substrate node without re-compiling
./scripts/docker_run.sh ./target/release/node-template --dev --ws-external ./scripts/docker_run.sh ./target/release/node-template --dev --ws-external
```
Other commands are similar. Let's try purge the local dev chain here: # Purge the local dev chain
```bash
./scripts/docker_run.sh ./target/release/node-template purge-chain --dev ./scripts/docker_run.sh ./target/release/node-template purge-chain --dev
```
You can also check whether the code is able to compile or not, # Check whether the code is compilable
```bash
./scripts/docker_run.sh cargo check ./scripts/docker_run.sh cargo check
``` ```