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Quote volume mapping and use pwd

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Signed-off-by: Stefan Scherer <stefan.scherer@docker.com>
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Stefan Scherer 2020-07-15 08:45:25 +02:00
parent f77065be98
commit a33ed89ab3
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3 changed files with 8 additions and 8 deletions
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4
docs/tutorial/multi-container-apps/index.md
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@ -180,7 +180,7 @@ With all of that explained, let's start our dev-ready container!
```bash hl_lines="3 4 5 6 7" ```bash hl_lines="3 4 5 6 7"
docker run -dp 3000:3000 \ docker run -dp 3000:3000 \
-w /app -v ${PWD}:/app \ -w /app -v "$(pwd):/app" \
--network todo-app \ --network todo-app \
-e MYSQL_HOST=mysql \ -e MYSQL_HOST=mysql \
-e MYSQL_USER=root \ -e MYSQL_USER=root \
@ -194,7 +194,7 @@ With all of that explained, let's start our dev-ready container!
```powershell hl_lines="3 4 5 6 7" ```powershell hl_lines="3 4 5 6 7"
docker run -dp 3000:3000 ` docker run -dp 3000:3000 `
-w /app -v ${PWD}:/app ` -w /app -v "$(pwd):/app" `
--network todo-app ` --network todo-app `
-e MYSQL_HOST=mysql ` -e MYSQL_HOST=mysql `
-e MYSQL_USER=root ` -e MYSQL_USER=root `

6
docs/tutorial/using-bind-mounts/index.md
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@ -40,7 +40,7 @@ So, let's do it!
```bash ```bash
docker run -dp 3000:3000 \ docker run -dp 3000:3000 \
-w /app -v ${PWD}:/app \ -w /app -v "$(pwd):/app" \
node:12-alpine \ node:12-alpine \
sh -c "yarn install && yarn run dev" sh -c "yarn install && yarn run dev"
``` ```
@ -49,14 +49,14 @@ So, let's do it!
```powershell ```powershell
docker run -dp 3000:3000 ` docker run -dp 3000:3000 `
-w /app -v ${PWD}:/app ` -w /app -v "$(pwd):/app" `
node:12-alpine ` node:12-alpine `
sh -c "yarn install && yarn run dev" sh -c "yarn install && yarn run dev"
``` ```
- `-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 ${PWD}:/app` - bind mount the current directory from the host in the container into the `/app` directory - `-v "$(pwd):/app"` - bind mount 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`,

6
docs/tutorial/using-docker-compose/index.md
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@ -53,7 +53,7 @@ To remember, this was the command we were using to define our app container.
```bash ```bash
docker run -dp 3000:3000 \ docker run -dp 3000:3000 \
-w /app -v ${PWD}:/app \ -w /app -v "$(pwd):/app" \
--network todo-app \ --network todo-app \
-e MYSQL_HOST=mysql \ -e MYSQL_HOST=mysql \
-e MYSQL_USER=root \ -e MYSQL_USER=root \
@ -67,7 +67,7 @@ If you are using PowerShell then use this command.
```powershell ```powershell
docker run -dp 3000:3000 ` docker run -dp 3000:3000 `
-w /app -v ${PWD}:/app ` -w /app -v "$(pwd):/app" `
--network todo-app ` --network todo-app `
-e MYSQL_HOST=mysql ` -e MYSQL_HOST=mysql `
-e MYSQL_USER=root ` -e MYSQL_USER=root `
@ -116,7 +116,7 @@ docker run -dp 3000:3000 `
- 3000:3000 - 3000:3000
``` ```
1. Next, we'll migrate both the working directory (`-w /app`) and the volume mapping (`-v ${PWD}:/app`) by using 1. Next, we'll migrate both the working directory (`-w /app`) and the volume mapping (`-v "$(pwd):/app"`) by using
the `working_dir` and `volumes` definitions. Volumes also has a [short](https://docs.docker.com/compose/compose-file/#short-syntax-3) and [long](https://docs.docker.com/compose/compose-file/#long-syntax-3) syntax. the `working_dir` and `volumes` definitions. Volumes also has a [short](https://docs.docker.com/compose/compose-file/#short-syntax-3) and [long](https://docs.docker.com/compose/compose-file/#long-syntax-3) syntax.
One advantage of Docker Compose volume definitions is we can use relative paths from the current directory. One advantage of Docker Compose volume definitions is we can use relative paths from the current directory.