diff --git a/Dockerfile b/Dockerfile
index 96efb75..928ea43 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,10 @@
 FROM php:8.0-apache-buster
 
+# So we can use it anywhere for conditional stuff. Keeping BC with old (non-buildkit, builders)
+ARG TARGETPLATFORM
+ENV TARGETPLATFORM=${TARGETPLATFORM:-linux/amd64}
+RUN echo "Building for ${TARGETPLATFORM}"
+
 ADD root/ /
 # Fix the original permissions of /tmp, the PHP default upload tmp dir.
 RUN chmod 777 /tmp && chmod +t /tmp
diff --git a/root/tmp/setup/oci8-extension.sh b/root/tmp/setup/oci8-extension.sh
index 4048072..5f819c2 100755
--- a/root/tmp/setup/oci8-extension.sh
+++ b/root/tmp/setup/oci8-extension.sh
@@ -2,6 +2,11 @@
 
 set -e
 
+if [[ ${TARGETPLATFORM} != "linux/amd64" ]]; then
+    echo "oracle extension not available for ${TARGETPLATFORM} architecture, skipping"
+    exit 0
+fi
+
 echo "Downloading oracle files"
 curl https://download.oracle.com/otn_software/linux/instantclient/19600/instantclient-basic-linux.x64-19.6.0.0.0dbru.zip \
     -o /tmp/instantclient-basic-linux.x64-19.6.0.0.0dbru.zip
diff --git a/root/tmp/setup/php-extensions.sh b/root/tmp/setup/php-extensions.sh
index c41e08b..1b9878e 100755
--- a/root/tmp/setup/php-extensions.sh
+++ b/root/tmp/setup/php-extensions.sh
@@ -60,7 +60,7 @@ docker-php-ext-configure gd --with-freetype=/usr/include/ --with-jpeg=/usr/inclu
 docker-php-ext-install -j$(nproc) gd
 
 # LDAP.
-docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu/
+docker-php-ext-configure ldap
 docker-php-ext-install -j$(nproc) ldap
 
 # APCu, igbinary, Memcached, MongoDB, Redis, Solr, uuid, XMLRPC (beta)
@@ -72,7 +72,11 @@ echo 'apc.enable_cli = On' >> /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini
 # Install Microsoft dependencies for sqlsrv.
 # (kept apart for clarity, still need to be run here
 # before some build packages are deleted)
-/tmp/setup/sqlsrv-extension.sh
+if [[ ${TARGETPLATFORM} == "linux/amd64" ]]; then
+    /tmp/setup/sqlsrv-extension.sh
+else
+    echo "sqlsrv extension not available for ${TARGETPLATFORM} architecture, skipping"
+fi
 
 # Keep our image size down..
 pecl clear-cache