[swoole] Add opcache (#6125)

frameworks/PHP/swoole/swoole-no-async.dockerfile

@@ -3,7 +3,7 @@ FROM php:7.4
 RUN pecl install swoole > /dev/null && \
     docker-php-ext-enable swoole
 
-RUN docker-php-ext-install pdo_mysql > /dev/null
+RUN docker-php-ext-install opcache pdo_mysql > /dev/null
 
 ADD ./ /swoole
 WORKDIR /swoole

frameworks/PHP/swoole/swoole-postgres.dockerfile

@@ -1,5 +1,7 @@
 FROM php:7.4
 
+RUN docker-php-ext-install opcache  > /dev/null
+
 ENV SWOOLE_VERSION=4.5.1
 
 RUN     apt-get update && apt-get install -y libpq-dev \

frameworks/PHP/swoole/swoole.dockerfile

@@ -3,6 +3,8 @@ FROM php:7.4
 RUN pecl install swoole > /dev/null && \
     docker-php-ext-enable swoole
 
+RUN docker-php-ext-install opcache  > /dev/null
+
 WORKDIR /swoole
 
 COPY swoole-server.php swoole-server.php