diff --git a/.github/workflows/publish-eks-ami.yml b/.github/workflows/publish-system-ami.yml
similarity index 93%
rename from .github/workflows/publish-eks-ami.yml
rename to .github/workflows/publish-system-ami.yml
index c8a3e6efb..c93b098a0 100644
--- a/.github/workflows/publish-eks-ami.yml
+++ b/.github/workflows/publish-system-ami.yml
@@ -1,17 +1,19 @@
-name: Publish EKS + ECS node AMIs
+name: Publish System AMIs
 
 # Builds the system AMIs (libguestfs, on the runner) and publishes each
 # compressed qcow2 + .sha256 sidecar to the Cloudflare R2 bucket that backs
-# iso.mulgadc.com/system-ami/. Four images ship:
+# iso.mulgadc.com/system-ami/. Five images ship:
 #   spinifex-eks-node       Alpine EKS K3s node (server|agent, role at boot)
 #   spinifex-ecs-node       Alpine ECS container instance
 #   spinifex-eks-node-gpu   Ubuntu EKS K3s GPU worker (NVIDIA driver + toolkit)
 #   spinifex-ecs-node-gpu   Ubuntu ECS GPU container instance
+#   spinifex-rds-postgres   Alpine RDS PostgreSQL instance
 # Operators then install them on any cluster with:
 #   spx admin images import --name spinifex-eks-node
 #   spx admin images import --name spinifex-ecs-node
 #   spx admin images import --name spinifex-eks-node-gpu
 #   spx admin images import --name spinifex-ecs-node-gpu
+#   spx admin images import --name spinifex-rds-postgres
 #
 # Manual-only: publishing overwrites the mirror artifact, so it is a deliberate
 # action, not something every push should trigger. The `variant` input scopes
@@ -29,6 +31,7 @@ on:
           - all
           - cpu
           - gpu
+          - rds
       dry_run:
         description: "Build + convert only; skip the R2 upload"
         type: boolean
@@ -56,10 +59,12 @@ jobs:
           set -euo pipefail
           cpu='{"name":"spinifex-eks-node","manifest":"scripts/images/eks-node/manifest.conf"},{"name":"spinifex-ecs-node","manifest":"scripts/images/ecs-agent/manifest.conf"}'
           gpu='{"name":"spinifex-eks-node-gpu","manifest":"scripts/images/eks-node-gpu/manifest.conf"},{"name":"spinifex-ecs-node-gpu","manifest":"scripts/images/ecs-agent-gpu/manifest.conf"}'
+          rds='{"name":"spinifex-rds-postgres","manifest":"scripts/images/rds-postgres/manifest.conf"}'
           case "${VARIANT}" in
             cpu) items="${cpu}" ;;
             gpu) items="${gpu}" ;;
-            *)   items="${cpu},${gpu}" ;;
+            rds) items="${rds}" ;;
+            *)   items="${cpu},${gpu},${rds}" ;;
           esac
           echo "images={\"include\":[${items}]}" >> "$GITHUB_OUTPUT"