fix(docker): increase thread stack size on Alpine (#223)

alpine.Dockerfile

@@ -83,7 +83,7 @@ COPY --link testdata testdata
 ENV CGO_LDFLAGS="-lssl -lcrypto -lreadline -largon2 -lcurl -lonig -lz $PHP_LDFLAGS" CGO_CFLAGS="-DFRANKENPHP_VERSION=$FRANKENPHP_VERSION $PHP_CFLAGS" CGO_CPPFLAGS=$PHP_CPPFLAGS
 
 RUN cd caddy/frankenphp && \
-	GOBIN=/usr/local/bin go install -ldflags "-X 'github.com/caddyserver/caddy/v2.CustomVersion=FrankenPHP $FRANKENPHP_VERSION PHP $PHP_VERSION Caddy'" && \
+	GOBIN=/usr/local/bin go install -ldflags "-extldflags '-Wl,-z,stack-size=0x80000' -X 'github.com/caddyserver/caddy/v2.CustomVersion=FrankenPHP $FRANKENPHP_VERSION PHP $PHP_VERSION Caddy'" && \
 	setcap cap_net_bind_service=+ep /usr/local/bin/frankenphp && \
 	frankenphp version