diff --git a/elixir/Dockerfile b/elixir/Dockerfile
index 7af92b951..a761870d3 100644
--- a/elixir/Dockerfile
+++ b/elixir/Dockerfile
@@ -280,6 +280,7 @@ RUN set -xe \
     # Install Firezone runtime deps
     && apk add --no-cache --update-cache \
     curl \
+    jq \
     tini
 
 # Create default user and home directory, set owner to default
diff --git a/elixir/rel/env.sh.eex b/elixir/rel/env.sh.eex
index ee4fc44d6..b69204336 100644
--- a/elixir/rel/env.sh.eex
+++ b/elixir/rel/env.sh.eex
@@ -30,6 +30,8 @@ if [[ "${RELEASE_HOST_DISCOVERY_METHOD}" == "gce_metadata" ]]; then
   export GCP_INSTANCE_NAME=$(curl "http://metadata.google.internal/computeMetadata/v1/instance/name" -H "Metadata-Flavor: Google" -s)
   export GCP_INSTANCE_ZONE=$(curl "http://metadata.google.internal/computeMetadata/v1/instance/zone" -H "Metadata-Flavor: Google" -s | sed 's:.*/::')
   RELEASE_HOSTNAME="$GCP_INSTANCE_NAME.$GCP_INSTANCE_ZONE.c.${GCP_PROJECT_ID}.internal"
+elif [[ "${RELEASE_HOST_DISCOVERY_METHOD}" == "aws_ecs_metadata" ]]; then
+  RELEASE_HOSTNAME=$(curl "${ECS_CONTAINER_METADATA_URI_V4}" | jq -r '.Networks[0].IPv4Addresses[0]')
 else
   RELEASE_HOSTNAME=${RELEASE_HOSTNAME:-127.0.0.1}
 fi