Upgrades alpine version and publishes a multi architecture docker image

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.5 AS build
+FROM alpine:3.18.3 AS build
 MAINTAINER julman99
 LABEL Description="This image builds eatmemory"
 
@@ -11,7 +11,7 @@ RUN chown root.root -R /root/code
 WORKDIR /root/code
 RUN make
 
-FROM alpine:3.5
+FROM alpine:3.18.3
 MAINTAINER julman99
 LABEL Description="This image runs eatmemory, a simple C program to allocate memory from the command line. Useful to test programs or systems under high memory usage conditions"
 COPY --from=build /root/code/eatmemory /bin

deploy.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+VERSION="$1"
+
+if [ -z "$VERSION" ]; then
+        echo "Usage ./deploy.sh <version>"
+        exit 3
+    fi
+
+if [ "$OPENVPN_PORT_UDP" == "off" ];then
+    OPENVPN_PORT_UDP=
+fi
+
+docker buildx build --platform=linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm/v8,linux/386 . -t julman99/eatmemory:$VERSION  -t julman99/eatmemory:latest --push