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Dockerfile 文件: docker build制作镜像时,出现pecl not found

### 问题描述
hyperf项目制作自定义镜像时,尝试pecl install rdkafka 安装rdkafka扩展时出现pecl not found

### Swoole版本，PHP版本，以及操作系统版本信息
- 宿主机系统:centos
- 宿主机没有php环境

### 相关代码
```dockerfile
# Default Dockerfile
#
# @link     https://www.hyperf.io
# @document https://doc.hyperf.io
# @contact  group@hyperf.io
# @license  https://github.com/hyperf-cloud/hyperf/blob/master/LICENSE

FROM hyperf/hyperf:7.2-alpine-cli-4.4.5
LABEL maintainer="Hyperf Developers <group@hyperf.io>" version="1.0" license="MIT"

##
# ---------- env settings ----------
##
# --build-arg timezone=Asia/Shanghai
ARG timezone

ENV TIMEZONE=${timezone:-"Asia/Shanghai"} \
    APP_ENV=prod \
    SCAN_CACHEABLE=(true)
RUN apk add --no-cache librdkafka-dev \
&& pecl install rdkafka \
&& echo "extension=rdkafka.so" > /etc/php7/conf.d/rdkafka.ini
RUN set -ex \
    && apk update \
    # install composer
    && cd /tmp \
    && wget https://github.com/composer/composer/releases/download/1.8.6/composer.phar \
    && chmod u+x composer.phar \
    && mv composer.phar /usr/local/bin/composer \
    # show php version and extensions
    && php -v \
    && php -m \
    #  ---------- some config ----------
    && cd /etc/php7 \
    # - config PHP
    && { \
        echo "upload_max_filesize=100M"; \
        echo "post_max_size=108M"; \
        echo "memory_limit=1024M"; \
        echo "date.timezone=${TIMEZONE}"; \
    } | tee conf.d/99-overrides.ini \
    # - config timezone
    && ln -sf /usr/share/zoneinfo/${TIMEZONE} /etc/localtime \
    && echo "${TIMEZONE}" > /etc/timezone \
    # ---------- clear works ----------
    && rm -rf /var/cache/apk/* /tmp/* /usr/share/man \
    && echo -e "\033[42;37m Build Completed :).\033[0m\n"

COPY . /var/www/userCenter

WORKDIR /var/www/userCenter

RUN composer install --no-dev \
    && composer dump-autoload -o \
    && php bin/hyperf.php

EXPOSE 9501

ENTRYPOINT ["php", "bin/hyperf.php", "start"]

```

### 错误出现
```
Step 1/11 : FROM hyperf/hyperf:7.2-alpine-cli-4.4.5
Trying to pull repository docker.io/hyperf/hyperf ... 
7.2-alpine-cli-4.4.5: Pulling from docker.io/hyperf/hyperf
e7c96db7181b: Already exists 
7d4cb5b944fe: Pull complete 
3adc24a17b24: Pull complete 
Digest: sha256:3947dbe4d80f8a0b24fed89e2f781245ee8249613bce9a91144e53a683546431
Status: Downloaded newer image for docker.io/hyperf/hyperf:7.2-alpine-cli-4.4.5
 ---> 5da4aadf6bfc
Step 2/11 : LABEL maintainer "Hyperf Developers <group@hyperf.io>" version "1.0" license "MIT"
 ---> Running in f81fc18ae765
 ---> bdaa1eb023db
Removing intermediate container f81fc18ae765
Step 3/11 : ARG timezone
 ---> Running in 14cfff9a9d80
 ---> 209acf5b1f47
Removing intermediate container 14cfff9a9d80
Step 4/11 : ENV TIMEZONE ${timezone:-"Asia/Shanghai"} APP_ENV prod SCAN_CACHEABLE (true)
 ---> Running in da3ba36fff7d
 ---> 3daf25ef5d4b
Removing intermediate container da3ba36fff7d
Step 5/11 : RUN apk add --no-cache librdkafka-dev && pecl install rdkafka && echo "extension=rdkafka.so" > /etc/php7/conf.d/rdkafka.ini
 ---> Running in 75615d2dc75a

fetch http://mirrors.ustc.edu.cn/alpine/v3.9/main/x86_64/APKINDEX.tar.gz
fetch http://mirrors.ustc.edu.cn/alpine/v3.9/community/x86_64/APKINDEX.tar.gz
(1/6) Installing lz4-libs (1.8.3-r2)
(2/6) Installing db (5.3.28-r1)
(3/6) Installing libsasl (2.1.27-r2)
(4/6) Installing librdkafka (0.11.6-r1)
(5/6) Installing pkgconf (1.6.0-r0)
(6/6) Installing librdkafka-dev (0.11.6-r1)
Executing busybox-1.29.3-r10.trigger
OK: 74 MiB in 100 packages
/bin/sh: pecl: not found
The command '/bin/sh -c apk add --no-cache librdkafka-dev && pecl install rdkafka && echo "extension=rdkafka.so" > /etc/php7/conf.d/rdkafka.ini' returned a non-zero code: 127

```

发布于6年前 · 13 次浏览 · 来自开发框架

jeristify

### 问题描述
hyperf项目制作自定义镜像时,尝试pecl install rdkafka 安装rdkafka扩展时出现pecl not found

### Swoole版本，PHP版本，以及操作系统版本信息
- 宿主机系统:centos
- 宿主机没有php环境

FROM hyperf/hyperf:7.2-alpine-cli-4.4.5
LABEL maintainer="Hyperf Developers <group@hyperf.io>" version="1.0" license="MIT"

##
# ---------- env settings ----------
##
# --build-arg timezone=Asia/Shanghai
ARG timezone

COPY . /var/www/userCenter

WORKDIR /var/www/userCenter

RUN composer install --no-dev \
    && composer dump-autoload -o \
    && php bin/hyperf.php

EXPOSE 9501

ENTRYPOINT ["php", "bin/hyperf.php", "start"]

```

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2020-07-28

李铭昕

2020-07-28

jeristify 回复李铭昕

2021-04-08

231231 回复 jeristify