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Update docker.md #802

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Update docker.md #802

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Update docker.md
Muhammad-Altabba Jan 26, 2020
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Update docker.md use `westend` chain
Muhammad-Altabba Jan 27, 2020
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14 changes: 7 additions & 7 deletions doc/docker.md
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Expand Up @@ -5,34 +5,34 @@ The easiest/faster option is to use the latest image.
Let´s first check the version we have. The first time you run this command, the polkadot docker image will be downloaded. This takes a bit of time and bandwidth, be patient:

```bash
docker run --rm -it chevdor/polkadot:0.3.14 polkadot --version
docker run --rm -it chevdor/polkadot:latest polkadot --version
```

You can also pass any argument/flag that polkadot supports:

```bash
docker run --rm -it chevdor/polkadot:0.3.14 polkadot --chain alex --name "PolkaDocker"
docker run --rm -it chevdor/polkadot:latest polkadot --chain westend --name "PolkaDocker"
```

Once you are done experimenting and picking the best node name :) you can start polkadot as daemon, exposes the polkadot ports and mount a volume that will keep your blockchain data locally:

```bash
docker run -d -p 30333:30333 -p 9933:9933 -v /my/local/folder:/data chevdor/polkadot:0.3.14 polkadot --chain alex
docker run -d -p 30333:30333 -p 9933:9933 -v /my/local/folder:/data chevdor/polkadot:latest polkadot --chain westend
```

Additionally if you want to have custom node name you can add the `--name "YourName"` at the end

```bash
docker run -d -p 30333:30333 -p 9933:9933 -v /my/local/folder:/data chevdor/polkadot:0.3.14 polkadot --chain alex --name "PolkaDocker"
docker run -d -p 30333:30333 -p 9933:9933 -v /my/local/folder:/data chevdor/polkadot:latest polkadot --chain westend --name "PolkaDocker"
```

```bash
docker run -d -p 30333:30333 -p 9933:9933 -v /my/local/folder:/data chevdor/polkadot:0.3.14 polkadot --rpc-external --chain alex
docker run -d -p 30333:30333 -p 9933:9933 -v /my/local/folder:/data chevdor/polkadot:latest polkadot --rpc-external --chain westend
```

if you want to connect to rpc port 9933, then must add polkadot startup parameter: `--rpc-external`.

**Note:** The `--chain alex` argument is important and you need to add it to the command line. If you are running older node versions (pre 0.3) you don't need it.
**Note:** The `--chain westend` argument is important and you need to add it to the command line. If you are running older node versions (pre 0.3) you don't need it.

### Limiting Resources

Expand Down Expand Up @@ -68,7 +68,7 @@ If you run into issues with polkadot when using docker, please run the following
(replace the tag with the appropriate one if you do not use latest):

```bash
docker run --rm -it chevdor/polkadot:latest polkadot version
docker run --rm -it chevdor/polkadot:latest polkadot --version
```

This will show you the polkadot version as well as the git commit ref that was used to build your container.
Expand Down