ehlxr/docker_practice
1
0
Fork 0
mirror of https://github.com/yeasy/docker_practice.git synced 2026-03-27 20:25:48 +00:00
Code Issues Projects Releases Wiki Activity

Fix and update

Browse Source
This commit is contained in:
baohua
2026-02-09 11:34:35 -08:00
parent 784c989789
commit bb94a9f617
136 changed files with 2146 additions and 262 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
08_buildx/8.1_buildkit.md
View File

@@ -8,6 +8,8 @@
### `Dockerfile` 新增指令详解
BuildKit 引入了多项新指令，旨在优化构建缓存和安全性。以下将详细介绍这些指令的用法。
使用 BuildKit 后，我们可以使用下面几个新的 `Dockerfile` 指令来加快镜像构建。
要使用最新的 Dockerfile 语法特性，建议在 Dockerfile 开头添加语法指令：
@@ -51,6 +53,7 @@ COPY --from=builder /app/dist /app/dist
```docker
## syntax=docker/dockerfile:1
FROM node:alpine as builder
WORKDIR /app
@@ -65,6 +68,7 @@ COPY src /app/src
RUN --mount=type=cache,target=/app/node_modules,id=my_app_npm_module,sharing=locked \
## --mount=type=cache,target=/app/dist,id=my_app_dist,sharing=locked \
npm run build
FROM nginx:alpine
@@ -72,6 +76,7 @@ FROM nginx:alpine
## COPY --from=builder /app/dist /app/dist
## 为了更直观的说明 from 和 source 指令，这里使用 RUN 指令
RUN --mount=type=cache,target=/tmp/dist,from=builder,source=/app/dist \
# --mount=type=cache,target/tmp/dist,from=my_app_dist,sharing=locked \
mkdir -p /app/dist && cp -r /tmp/dist/* /app/dist
@@ -101,6 +106,7 @@ RUN --mount=type=cache,target=/tmp/dist,from=builder,source=/app/dist \
```docker
## syntax=docker/dockerfile:1
RUN --mount=type=bind,from=php:alpine,source=/usr/local/bin/docker-php-entrypoint,target=/docker-php-entrypoint \
cat /docker-php-entrypoint
```
@@ -111,6 +117,7 @@ RUN --mount=type=bind,from=php:alpine,source=/usr/local/bin/docker-php-entrypoin
```docker
## syntax=docker/dockerfile:1
RUN --mount=type=tmpfs,target=/temp \
mount | grep /temp
```
@@ -121,6 +128,7 @@ RUN --mount=type=tmpfs,target=/temp \
```docker
## syntax=docker/dockerfile:1
RUN --mount=type=secret,id=aws,target=/root/.aws/credentials \
cat /root/.aws/credentials
```
@@ -135,6 +143,7 @@ $ docker build -t test --secret id=aws,src=$HOME/.aws/credentials .
```docker
## syntax=docker/dockerfile:1
FROM alpine
RUN apk add --no-cache openssh-client
RUN mkdir -p -m 0700 ~/.ssh && ssh-keyscan gitlab.com >> ~/.ssh/known_hosts
@@ -150,6 +159,8 @@ $ docker build -t test --ssh default=$SSH_AUTH_SOCK .
### docker compose build 使用 BuildKit
Docker Compose 同样支持 BuildKit，这使得多服务应用的构建更加高效。
自 Docker 23.0 起，BuildKit 已默认启用，无需额外配置。如果使用旧版本，可设置 `DOCKER_BUILDKIT=1` 环境变量启用。
### 官方文档