add missing ldconfig call

Dockerfile

@@ -12,18 +12,18 @@ RUN rm -Rf /usr/local/include/php/ /usr/local/lib/libphp.* /usr/local/lib/php/ /
 
 RUN apt-get update && \
     apt-get -y --no-install-recommends install \
-    # Required to link the FrankenPHP binary to the PHP binary
-    libargon2-dev \
-    libcurl4-openssl-dev \
-    libonig-dev \
-    libreadline-dev \
-    libsodium-dev \
-    libsqlite3-dev \
-    libssl-dev \
-    libxml2-dev \
-    zlib1g-dev \
-    # Required to compile PHP
-    bison \
+        # Required to link the FrankenPHP binary to the PHP binary
+        libargon2-dev \
+        libcurl4-openssl-dev \
+        libonig-dev \
+        libreadline-dev \
+        libsodium-dev \
+        libsqlite3-dev \
+        libssl-dev \
+        libxml2-dev \
+        zlib1g-dev \
+        # Required to compile PHP
+        bison \
     && \
     apt-get clean
 
@@ -92,7 +92,7 @@ RUN set -eux; \
 # https://externals.io/message/118859
 		--disable-zend-signals \
 		--enable-zend-max-execution-timers \
-        # Prevents weird interactions between Go and fibers
+# Prevents weird interactions between Go and fibers
         --disable-fiber-asm \
 	; \
 	make -j "$(nproc)"; \
@@ -111,6 +111,7 @@ RUN set -eux; \
 	cd /; \
 	docker-php-source delete; \
 	\
+    ldconfig && \
 # smoke test
 	php --version
 
@@ -139,7 +140,9 @@ ENV CGO_LDFLAGS="-lssl -lcrypto -lreadline -largon2 -lcurl -lonig -lz $PHP_LDFLA
 RUN cd caddy/frankenphp && \
     go build -ldflags "-X 'github.com/caddyserver/caddy/v2.CustomVersion=FrankenPHP $FRANKENPHP_VERSION Caddy'" && \
     cp frankenphp /usr/local/bin && \
-    cp /go/src/app/caddy/frankenphp/Caddyfile /etc/Caddyfile
+    cp /go/src/app/caddy/frankenphp/Caddyfile /etc/Caddyfile && \
+    # smoke test
+    frankenphp version
 
 ENTRYPOINT ["/bin/bash","-c"]