Explain -v

Signed-off-by: Stefan Scherer <stefan.scherer@docker.com>
This commit is contained in:
Stefan Scherer 2020-05-21 15:02:30 +02:00
parent 6652785552
commit 89230c73dc
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@ -47,6 +47,7 @@ So, let's do it!
- `-dp 3000:3000` - same as before. Run in detached (background) mode and create a port mapping - `-dp 3000:3000` - same as before. Run in detached (background) mode and create a port mapping
- `-w /app` - sets the "working directory" or the current directory that the command will run from - `-w /app` - sets the "working directory" or the current directory that the command will run from
- `-v ${PWD}:/app` - bind mound the current directory from the host in the container into the `/app` directory
- `node:12-alpine` - the image to use. Note that this is the base image for our app from the Dockerfile - `node:12-alpine` - the image to use. Note that this is the base image for our app from the Dockerfile
- `sh -c "yarn install && yarn run dev"` - the command. We're starting a shell using `sh` (alpine doesn't have `bash`) and - `sh -c "yarn install && yarn run dev"` - the command. We're starting a shell using `sh` (alpine doesn't have `bash`) and
running `yarn install` to install _all_ dependencies and then running `yarn run dev`. If we look in the `package.json`, running `yarn install` to install _all_ dependencies and then running `yarn run dev`. If we look in the `package.json`,