add memcache and rebuild

php-7.4-opt/build.Dockerfile

@@ -32,7 +32,8 @@ RUN apt-get update \
       libtidy-dev \
       libgd2-xpm-dev \
       libmagickwand-dev \
-      libmagickcore-dev
+      libmagickcore-dev \
+      libmemcached-dev
 RUN wget https://cmake.org/files/v2.8/cmake-2.8.12.1.tar.gz
 RUN tar xzf cmake-2.8.12.1.tar.gz
 RUN cd cmake-2.8.12.1 \
@@ -176,4 +177,16 @@ RUN cd /php-7.4.12/ext/apcu-5.1.19 \
   && echo extension=apcu.so > $MAIN_PREFIX_NO_ROOT/etc/conf.d/apcu.ini \
   && echo $MAIN_PREFIX_NO_ROOT/etc/conf.d/apcu.ini >> files_to_add \
   && checkinstall -y --pkgname $PACKAGE_NAME-apcu --include files_to_add
+RUN cd /php-7.4.12/ext \
+  && wget https://github.com/php-memcached-dev/php-memcached/archive/v3.1.5.tar.gz \
+  && tar xzf v3.1.5.tar.gz \
+  && cd php-memcached-3.1.5 \
+  && $MAIN_PREFIX/bin/phpize \
+  && ./configure --with-php-config=$MAIN_PREFIX/bin/php-config --disable-memcached-sasl \
+  && make
+RUN cd /php-7.4.12/ext/php-memcached-3.1.5 \
+  && mkdir -p $MAIN_PREFIX_NO_ROOT/etc/conf.d \
+  && echo extension=memcached.so > $MAIN_PREFIX_NO_ROOT/etc/conf.d/memcached.ini \
+  && echo $MAIN_PREFIX_NO_ROOT/etc/conf.d/memcached.ini >> files_to_add \
+  && checkinstall -y --pkgname $PACKAGE_NAME-memcached --include files_to_add
 

php-7.4-opt/copy.Dockerfile

@@ -11,4 +11,5 @@ COPY --from=build-stage /krb5-1.17.2/src/php-7.4.12-opt-krb5_1-1_amd64.deb .
 COPY --from=build-stage /php-7.4.12/ext/imagick-3.4.4/php-7.4.12-opt-imagick_3.4.4-1_amd64.deb .
 COPY --from=build-stage /php-7.4.12/ext/apcu-5.1.19/php-7.4.12-opt-apcu_5.1.19-1_amd64.deb .
 COPY --from=build-stage /libsodium-1.0.18/php-7.4.12-opt-libsodium_1.0.18-1_amd64.deb .
+COPY --from=build-stage /php-7.4.12/ext/php-memcached-3.1.5/php-7.4.12-opt-memcached_3.1.5-1_amd64.deb .