diff --git a/.travis.yml b/.travis.yml
index 5165ceb..83276ee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ install:
 before_script:
   - env | sort
   - image="nextcloud:${VERSION}${VARIANT:+-$VARIANT}"
+  - if [[ "$ARCH" == 'i386' ]]; then sed -i -e 's/FROM php/FROM i386\/php/g' "${VERSION}/${VARIANT}/Dockerfile"; fi
 
 script:
   - travis_retry docker build -t "$image" "${VERSION}/${VARIANT}"
@@ -40,9 +41,15 @@ jobs:
         - ./generate-stackbrew-library.sh
 
     - stage: test images
-      env: VERSION=10.0 VARIANT=fpm
-    - env: VERSION=10.0 VARIANT=apache
-    - env: VERSION=11.0 VARIANT=fpm
-    - env: VERSION=11.0 VARIANT=apache
-    - env: VERSION=12.0 VARIANT=fpm
-    - env: VERSION=12.0 VARIANT=apache
+      env: VERSION=10.0 VARIANT=fpm ARCH=amd64
+    - env: VERSION=10.0 VARIANT=fpm ARCH=i386
+    - env: VERSION=10.0 VARIANT=apache ARCH=amd64
+    - env: VERSION=10.0 VARIANT=apache ARCH=i386
+    - env: VERSION=11.0 VARIANT=fpm ARCH=amd64
+    - env: VERSION=11.0 VARIANT=fpm ARCH=i386
+    - env: VERSION=11.0 VARIANT=apache ARCH=amd64
+    - env: VERSION=11.0 VARIANT=apache ARCH=i386
+    - env: VERSION=12.0 VARIANT=fpm ARCH=amd64
+    - env: VERSION=12.0 VARIANT=fpm ARCH=i386
+    - env: VERSION=12.0 VARIANT=apache ARCH=amd64
+    - env: VERSION=12.0 VARIANT=apache ARCH=i386
diff --git a/10.0/apache/Dockerfile b/10.0/apache/Dockerfile
index 570aef6..d8b1597 100644
--- a/10.0/apache/Dockerfile
+++ b/10.0/apache/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysql opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/10.0/fpm/Dockerfile b/10.0/fpm/Dockerfile
index b60b57f..b160a46 100644
--- a/10.0/fpm/Dockerfile
+++ b/10.0/fpm/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysql opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/11.0/apache/Dockerfile b/11.0/apache/Dockerfile
index 71978ad..d4c0ff5 100644
--- a/11.0/apache/Dockerfile
+++ b/11.0/apache/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/11.0/fpm/Dockerfile b/11.0/fpm/Dockerfile
index 78890a3..9aa10e0 100644
--- a/11.0/fpm/Dockerfile
+++ b/11.0/fpm/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/12.0/apache/Dockerfile b/12.0/apache/Dockerfile
index 4bcc5f0..1b05272 100644
--- a/12.0/apache/Dockerfile
+++ b/12.0/apache/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/12.0/fpm/Dockerfile b/12.0/fpm/Dockerfile
index d69e770..41b7365 100644
--- a/12.0/fpm/Dockerfile
+++ b/12.0/fpm/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/Dockerfile-php7.template b/Dockerfile-php7.template
index 203ba66..ef49df7 100644
--- a/Dockerfile-php7.template
+++ b/Dockerfile-php7.template
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/Dockerfile.template b/Dockerfile.template
index 14cf362..581e912 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysql opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index 9ede46c..d016b36 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -73,6 +73,7 @@ for version in "${versions[@]}"; do
 		cat <<-EOE
 
 			Tags: $(join ', ' "${variantAliases[@]}")
+			Architectures: amd64, arm32v7, arm64v8, i386, ppc64le, s390x
 			GitCommit: $commit
 			Directory: $version/$variant
 		EOE
diff --git a/update.sh b/update.sh
index 647e3e2..c8a9416 100755
--- a/update.sh
+++ b/update.sh
@@ -59,7 +59,9 @@ for latest in "${latests[@]}"; do
 			# Copy apps.config.php
 			cp apps.config.php "$version/$variant/apps.config.php"
 
-			travisEnv='\n    - env: VERSION='"$version"' VARIANT='"$variant$travisEnv"
+			for arch in i386 amd64; do
+				travisEnv='\n    - env: VERSION='"$version"' VARIANT='"$variant"' ARCH='"$arch$travisEnv"
+			done
 		done
 	fi
 done