Release v1.5.0: Restructure chapters and update for Docker v30.x

04_image/demo/buildkit/Dockerfile

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+FROM node:alpine as builder
+
+WORKDIR /app
+
+COPY package.json /app/
+
+RUN npm i --registry=https://registry.npmmirror.com \
+        && rm -rf ~/.npm
+
+COPY src /app/src
+
+RUN npm run build
+
+FROM nginx:alpine
+
+COPY --from=builder /app/dist /app/dist

04_image/demo/buildkit/Dockerfile.buildkit

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+# syntax = docker/dockerfile:experimental
+
+FROM node:alpine as builder
+
+WORKDIR /app
+
+COPY package.json /app/
+
+RUN --mount=type=cache,target=/app/node_modules,id=my_app_npm_module,sharing=locked \
+    --mount=type=cache,target=/root/.npm,id=npm_cache \
+        npm i --registry=https://registry.npmmirror.com
+
+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
+
+# 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
+
+RUN --mount=type=bind,from=php:alpine,source=/usr/local/bin/docker-php-entrypoint,target=/docker-php-entrypoint \
+        cat /docker-php-entrypoint
+
+RUN --mount=type=tmpfs,target=/temp \
+        mount | grep /temp
+
+RUN --mount=type=secret,id=aws,target=/root/.aws/credentials \
+        cat /root/.aws/credentials
+
+# docker build -t test --secret id=aws,src=$PWD/aws.txt --progress=plain -f Dockerfile.buildkit .

04_image/demo/buildkit/aws.txt

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+awskey

04_image/demo/buildkit/package.json

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+{
+  "name": "my_app",
+  "version": "19.6.0",
+  "devDependencies": {
+    "webpack": "*",
+    "webpack-cli": "*"
+  },
+  "scripts": {
+    "build": "mkdir -p $PWD/dist && cp -r src/* dist/"
+  }
+}

04_image/demo/buildkit/src/index.js

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+console.log(1);

04_image/demo/multi-arch/Dockerfile

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+FROM --platform=$TARGETPLATFORM alpine
+
+RUN uname -a > /os.txt
+
+CMD cat /os.txt

04_image/demo/multistage-builds/.gitignore

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+app

04_image/demo/multistage-builds/Dockerfile

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+FROM golang:alpine as builder
+
+RUN apk --no-cache add git
+
+WORKDIR /go/src/github.com/go/helloworld/
+
+RUN go get -d -v github.com/go-sql-driver/mysql
+
+COPY app.go .
+
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .
+
+FROM alpine:latest as prod
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /root/
+
+COPY --from=0 /go/src/github.com/go/helloworld/app .
+
+CMD ["./app"]

04_image/demo/multistage-builds/Dockerfile.build

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+FROM golang:alpine
+
+RUN apk --no-cache add git
+
+WORKDIR /go/src/github.com/go/helloworld
+
+COPY app.go .
+
+RUN go get -d -v github.com/go-sql-driver/mysql \
+  && CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app .

04_image/demo/multistage-builds/Dockerfile.copy

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+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /root/
+
+COPY app .
+
+CMD ["./app"]

04_image/demo/multistage-builds/Dockerfile.one

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+FROM golang:alpine
+
+RUN apk --no-cache add git ca-certificates
+
+WORKDIR /go/src/github.com/go/helloworld/
+
+COPY app.go .
+
+RUN go get -d -v github.com/go-sql-driver/mysql \
+  && CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o app . \
+  && cp /go/src/github.com/go/helloworld/app /root
+
+WORKDIR /root/
+
+CMD ["./app"]

04_image/demo/multistage-builds/app.go

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+package main
+
+import "fmt"
+
+func main(){
+    fmt.Printf("Hello World!");
+}

04_image/demo/multistage-builds/build.sh

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+#!/bin/sh
+
+echo Building go/helloworld:build
+
+docker build -t go/helloworld:build . -f Dockerfile.build
+
+docker create --name extract go/helloworld:build
+docker cp extract:/go/src/github.com/go/helloworld/app ./app
+docker rm -f extract
+
+echo Building go/helloworld:2
+
+docker build --no-cache -t go/helloworld:2 . -f Dockerfile.copy
+rm ./app