diff --git a/dockerfiles/debian-bookworm-all/Dockerfile b/dockerfiles/debian-bookworm-all/Dockerfile
index abc914be..4593f999 100644
--- a/dockerfiles/debian-bookworm-all/Dockerfile
+++ b/dockerfiles/debian-bookworm-all/Dockerfile
@@ -100,8 +100,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 
diff --git a/dockerfiles/debian-bullseye-all/Dockerfile b/dockerfiles/debian-bullseye-all/Dockerfile
index 28514b85..f60f72b4 100644
--- a/dockerfiles/debian-bullseye-all/Dockerfile
+++ b/dockerfiles/debian-bullseye-all/Dockerfile
@@ -100,8 +100,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 
diff --git a/dockerfiles/debian-buster-all/Dockerfile b/dockerfiles/debian-buster-all/Dockerfile
index 4559d696..8b032789 100644
--- a/dockerfiles/debian-buster-all/Dockerfile
+++ b/dockerfiles/debian-buster-all/Dockerfile
@@ -100,8 +100,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 # patch pg_buildext to use multiple processors
diff --git a/dockerfiles/debian-stretch-all/Dockerfile b/dockerfiles/debian-stretch-all/Dockerfile
index ef98c68f..34f79609 100644
--- a/dockerfiles/debian-stretch-all/Dockerfile
+++ b/dockerfiles/debian-stretch-all/Dockerfile
@@ -98,8 +98,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl -s https://packagecloud.io/install/repositories/citusdata/community/script.deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl -s https://packagecloud.io/install/repositories/citusdata/community/script.deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 # patch pg_buildext to use multiple processors
diff --git a/dockerfiles/debian-trixie-all/Dockerfile b/dockerfiles/debian-trixie-all/Dockerfile
index e7f3ae9b..e6fc4a0a 100644
--- a/dockerfiles/debian-trixie-all/Dockerfile
+++ b/dockerfiles/debian-trixie-all/Dockerfile
@@ -100,8 +100,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 
diff --git a/dockerfiles/ubuntu-bionic-all/Dockerfile b/dockerfiles/ubuntu-bionic-all/Dockerfile
index 8696fd60..b583557a 100644
--- a/dockerfiles/ubuntu-bionic-all/Dockerfile
+++ b/dockerfiles/ubuntu-bionic-all/Dockerfile
@@ -101,8 +101,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 # patch pg_buildext to use multiple processors
diff --git a/dockerfiles/ubuntu-focal-all/Dockerfile b/dockerfiles/ubuntu-focal-all/Dockerfile
index aafc9c99..712dddd9 100644
--- a/dockerfiles/ubuntu-focal-all/Dockerfile
+++ b/dockerfiles/ubuntu-focal-all/Dockerfile
@@ -101,8 +101,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 # patch pg_buildext to use multiple processors
diff --git a/dockerfiles/ubuntu-jammy-all/Dockerfile b/dockerfiles/ubuntu-jammy-all/Dockerfile
index 26a5fe33..d4056309 100644
--- a/dockerfiles/ubuntu-jammy-all/Dockerfile
+++ b/dockerfiles/ubuntu-jammy-all/Dockerfile
@@ -100,8 +100,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 
diff --git a/dockerfiles/ubuntu-noble-all/Dockerfile b/dockerfiles/ubuntu-noble-all/Dockerfile
index f621120d..abbe95b5 100644
--- a/dockerfiles/ubuntu-noble-all/Dockerfile
+++ b/dockerfiles/ubuntu-noble-all/Dockerfile
@@ -100,8 +100,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 
diff --git a/dockerfiles/ubuntu-resolute-all/Dockerfile b/dockerfiles/ubuntu-resolute-all/Dockerfile
index 0547a2f6..ce6b8e56 100644
--- a/dockerfiles/ubuntu-resolute-all/Dockerfile
+++ b/dockerfiles/ubuntu-resolute-all/Dockerfile
@@ -100,8 +100,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*
 
 
diff --git a/templates/Dockerfile-deb.tmpl b/templates/Dockerfile-deb.tmpl
index ec309b0e..b016b30e 100644
--- a/templates/Dockerfile-deb.tmpl
+++ b/templates/Dockerfile-deb.tmpl
@@ -100,8 +100,9 @@ RUN apt-get update \
     && apt-get install -y --no-install-recommends jq \
     && rm -rf /var/lib/apt/lists/*
 
-# install packagecloud repos for pg_auto_failover
-RUN curl https://install.citusdata.com/community/deb.sh | bash \
+# install packagecloud repos for pg_auto_failover (amd64 only: the community
+# repo has no non-x86_64 packages and its installer aborts on other arches)
+RUN [ "$(dpkg --print-architecture)" != "amd64" ] || curl https://install.citusdata.com/community/deb.sh | bash \
     && rm -rf /var/lib/apt/lists/*