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Merge pull request #1000 from tonistiigi/docs-named-context

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docs: make sure syntax with latest stable dockerfile image is defined
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CrazyMax 2022-10-18 10:08:06 +02:00 committed by GitHub
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4
README.md
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@ -123,7 +123,8 @@ On Windows:
Here is how to install and use Buildx inside a Dockerfile through the Here is how to install and use Buildx inside a Dockerfile through the
[`docker/buildx-bin`](https://hub.docker.com/r/docker/buildx-bin) image: [`docker/buildx-bin`](https://hub.docker.com/r/docker/buildx-bin) image:
```Dockerfile ```dockerfile
# syntax=docker/dockerfile:1
FROM docker FROM docker
COPY --from=docker/buildx-bin /buildx /usr/libexec/docker/cli-plugins/docker-buildx COPY --from=docker/buildx-bin /buildx /usr/libexec/docker/cli-plugins/docker-buildx
RUN docker buildx version RUN docker buildx version
@ -298,6 +299,7 @@ inside your Dockerfile and can be leveraged by the processes running as part
of your build. of your build.
```dockerfile ```dockerfile
# syntax=docker/dockerfile:1
FROM --platform=$BUILDPLATFORM golang:alpine AS build FROM --platform=$BUILDPLATFORM golang:alpine AS build
ARG TARGETPLATFORM ARG TARGETPLATFORM
ARG BUILDPLATFORM ARG BUILDPLATFORM

13
docs/reference/buildx_build.md
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@ -128,7 +128,8 @@ $ docker buildx build --build-context project=path/to/project/source .
# docker buildx build --build-context project=https://github.com/myuser/project.git . # docker buildx build --build-context project=https://github.com/myuser/project.git .
``` ```
```Dockerfile ```dockerfile
# syntax=docker/dockerfile:1
FROM alpine FROM alpine
COPY --from=project myfile / COPY --from=project myfile /
``` ```
@ -141,10 +142,10 @@ Source an image from a local [OCI layout compliant directory](https://github.com
$ docker buildx build --build-context foo=oci-layout:///path/to/local/layout@sha256:abcd12345 . $ docker buildx build --build-context foo=oci-layout:///path/to/local/layout@sha256:abcd12345 .
``` ```
```Dockerfile ```dockerfile
# syntax=docker/dockerfile:1
FROM alpine FROM alpine
RUN apk add git RUN apk add git
COPY --from=foo myfile / COPY --from=foo myfile /
FROM foo FROM foo
@ -475,7 +476,7 @@ Attribute keys:
- `src`, `source` - Secret filename. `id` used if unset. - `src`, `source` - Secret filename. `id` used if unset.
```dockerfile ```dockerfile
# syntax=docker/dockerfile:1.4 # syntax=docker/dockerfile:1
FROM python:3 FROM python:3
RUN pip install awscli RUN pip install awscli
RUN --mount=type=secret,id=aws,target=/root/.aws/credentials \ RUN --mount=type=secret,id=aws,target=/root/.aws/credentials \
@ -494,7 +495,7 @@ Attribute keys:
- `env` - Secret environment variable. `id` used if unset, otherwise will look for `src`, `source` if `id` unset. - `env` - Secret environment variable. `id` used if unset, otherwise will look for `src`, `source` if `id` unset.
```dockerfile ```dockerfile
# syntax=docker/dockerfile:1.4 # syntax=docker/dockerfile:1
FROM node:alpine FROM node:alpine
RUN --mount=type=bind,target=. \ RUN --mount=type=bind,target=. \
--mount=type=secret,id=SECRET_TOKEN \ --mount=type=secret,id=SECRET_TOKEN \
@ -526,7 +527,7 @@ authentication (e.g., cloning a private repository).
Example to access Gitlab using an SSH agent socket: Example to access Gitlab using an SSH agent socket:
```dockerfile ```dockerfile
# syntax=docker/dockerfile:1.4 # syntax=docker/dockerfile:1
FROM alpine FROM alpine
RUN apk add --no-cache openssh-client RUN apk add --no-cache openssh-client
RUN mkdir -p -m 0700 ~/.ssh && ssh-keyscan gitlab.com >> ~/.ssh/known_hosts RUN mkdir -p -m 0700 ~/.ssh && ssh-keyscan gitlab.com >> ~/.ssh/known_hosts