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Updating the Docker instructions for latest 0.3.14 polkadot Alexander #135

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Feb 20, 2019
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Updating the Docker instructions for latest 0.3.14 polkadot Alexander #135

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371c4f4
update version to 0.3.14 and add --chain alex
mradkov Feb 12, 2019
2aa447d
add custom node name
mradkov Feb 12, 2019
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update version to 0.3.14 and add --chain alex 
- update to latest docker polkadot version - 0.3.14
- add the `--chain alex` argument which is necessary for the Alexander testnet
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@mradkov
mradkov authored Feb 12, 2019
commit 371c4f4379d74173ac28ed8cdeed9c5246f2dc69
8 changes: 5 additions & 3 deletions doc/docker.adoc
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@@ -6,17 +6,19 @@ 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:

[source, shell]
docker run --rm -it chevdor/polkadot:0.3.0 polkadot --version
docker run --rm -it chevdor/polkadot:0.3.14 polkadot --version

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

[source, shell]
docker run --rm -it chevdor/polkadot:0.3.0 polkadot --name "PolkaDocker"
docker run --rm -it chevdor/polkadot:0.3.14 polkadot --chain alex --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:

[source, shell]
docker run -d -p 30333:30333 -p 9933:9933 -v /my/local/folder:/data chevdor/polkadot:0.3.0 polkadot
docker run -d -p 30333:30333 -p 9933:9933 -v /my/local/folder:/data chevdor/polkadot:0.3.14 polkadot --chain alex

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.

Start a shell session with the daemon: