chain gateway build fix

ci/prod/scripts/deploy/billing_fees.sh

@@ -82,7 +82,18 @@ set -euo pipefail
 cd "${REMOTE_DIR}/compose"
 set -a
 . ../env/.env.runtime
-. ../env/.env.version
+load_kv_file() {
+  file="$1"
+  while IFS= read -r line || [ -n "$line" ]; do
+    case "$line" in
+      ''|\#*) continue ;;
+    esac
+    if printf '%s' "$line" | grep -Eq '^[[:alpha:]_][[:alnum:]_]*='; then
+      eval "$line"
+    fi
+  done <"$file"
+}
+load_kv_file ../env/.env.version
 set +a
 
 if base64 -d >/dev/null 2>&1 <<<'AA=='; then

ci/prod/scripts/deploy/fx.sh

@@ -108,7 +108,18 @@ set -euo pipefail
 cd "${REMOTE_DIR}/compose"
 set -a
 . ../env/.env.runtime
-. ../env/.env.version
+load_kv_file() {
+  file="$1"
+  while IFS= read -r line || [ -n "$line" ]; do
+    case "$line" in
+      ''|\#*) continue ;;
+    esac
+    if printf '%s' "$line" | grep -Eq '^[[:alpha:]_][[:alnum:]_]*='; then
+      eval "$line"
+    fi
+  done <"$file"
+}
+load_kv_file ../env/.env.version
 set +a
 
 if base64 -d >/dev/null 2>&1 <<<'AA=='; then