Update Crystal to 1.18.0.

Author: gdotdesign

.tool-versions

@@ -1,4 +1,4 @@
-crystal 1.16.3
+crystal 1.18.0
 mint 0.20.0
 nodejs 20.10.0
 yarn 1.22.19

Dockerfile

@@ -1,5 +1,5 @@
 # We are using crystal as image we are building the binary on
-FROM crystallang/crystal:1.16.3-alpine AS build
+FROM crystallang/crystal:1.18.0-alpine AS build
 
 # Create a build directory and set it as default
 RUN mkdir -p /opt/mint

docker-compose.yml

@@ -6,7 +6,7 @@
 version: "2"
 services:
   app:
-    image: crystallang/crystal:1.16.3-alpine
+    image: crystallang/crystal:1.18.0-alpine
     working_dir: /app
     volumes:
       - .:/app

src/utils/server.cr

@@ -38,7 +38,8 @@ module Mint
     end
 
     private def port_closed?(host, port)
-      client = Socket.tcp(Socket::Family::INET, true)
+      client = Socket.tcp(Socket::Family::INET)
+      Socket.set_blocking(client.fd, true)
       client.connect(host, port, 0.25)
       client.close
       true