When installing opencensus-alpha from PECL package manager in docker as part of dockerfile, an error is thrown /bin/sh: pecl: not found
Dockerfile
FROM nginx:1.17.4-alpine
RUN apk --no-cache add php7 php7-fpm php7-mysqli php7-pdo_mysql php7-json php7-openssl php7-curl
php7-zlib php7-xml php7-simplexml php7-phar php7-intl php7-dom php7-xmlreader php7-xmlwriter php7-ctype php7-session
php7-mbstring php7-gd php-zip supervisor libxml2-dev php7-tokenizer
RUN pecl install opencensus-alpha
Is there any easy way opencensus-alpha can be installed and enabled in a docker container
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Answer
You’ll need the php7-pear package to get the pecl command, and you’ll need php-dev, gcc, musl-dev, and make packages for pecl and phpize be be able to build and install other packages correctly.
Add a new RUN line:
RUN apk --no-cache add php7-pear php7-dev gcc musl-dev make
or amend your existing RUN line:
RUN apk --no-cache add php7 php7-fpm php7-mysqli php7-pdo_mysql php7-json php7-openssl php7-curl
php7-zlib php7-xml php7-simplexml php7-phar php7-intl php7-dom php7-xmlreader php7-xmlwriter php7-ctype php7-session
php7-mbstring php7-gd php-zip supervisor libxml2-dev php7-tokenizer php7-pear php7-dev gcc musl-dev make