Updates Crystal base image to stable 1.2.2

Dockerfile

@@ -1,5 +1,5 @@
 # Production Docker build
-FROM ryanprior/lutrine-dice-crystal:1.2-dev-alpine AS build
+FROM ryanprior/lutrine-dice-crystal:1.2.2-alpine AS build
 WORKDIR /opt/server
 COPY ./server ./
 RUN shards build --release --static

docker-compose.yml

@@ -2,7 +2,7 @@ version: '3'
 
 services:
   server:
-    image: ryanprior/lutrine-dice-crystal:1.2-dev-alpine
+    image: ryanprior/lutrine-dice-crystal:1.2.2-alpine
     build:
       context: ./server
       dockerfile: Dockerfile.dev

server/Dockerfile.dev

@@ -1,3 +1,3 @@
-FROM crystallang/crystal:1.2-dev-alpine
+FROM crystallang/crystal:1.2.2-alpine
 
 RUN apk add sqlite-dev sqlite-static