diff --git a/dev-cli/container/src/json.lua b/dev-cli/container/src/json.lua
index b553f3509..5925a6361 100644
--- a/dev-cli/container/src/json.lua
+++ b/dev-cli/container/src/json.lua
@@ -74,7 +74,13 @@ local function encode_number(val)
     if val ~= val or val <= -math.huge or val >= math.huge then
         error("unexpected number value '" .. tostring(val) .. "'")
     end
-    return string.format("%.14g", val)
+    if math.floor(val) == val then
+		-- Large integers: avoid scientific notation and print as an integer
+		return string.format("%.0f", val)
+	else
+		-- Decimals: use the 'g' format to print floating point with precision, up to 14 significant digits
+		return string.format("%.14g", val)
+	end
 end
 
 local type_func_map = {