Dockerfile : updated base image to alpine:3.22.0

Dockerfile

@@ -1,10 +1,13 @@
-FROM alpine:3.20.0
+FROM alpine:3.22.0 AS builder
 
 RUN apk add --no-cache \
-	make=4.4.1-r2 \
-	g++=13.2.1_git20240309-r0 \
+	libstdc++=14.2.0-r6 \
 	&& adduser --disabled-password saundersp
 
+RUN apk add --no-cache \
+	make=4.4.1-r3 \
+	g++=14.2.0-r6
+
 USER saundersp
 
 WORKDIR /home/saundersp/sorting_algorithms
@@ -13,4 +16,16 @@ COPY *.cpp *.hpp Makefile ./
 
 RUN make -j "$(nproc)"
 
-ENTRYPOINT ["bin/data"]
+FROM alpine:3.22.0
+
+RUN apk add --no-cache \
+	libstdc++=14.2.0-r6 \
+	&& adduser --disabled-password saundersp
+
+USER saundersp
+
+WORKDIR /home/saundersp/sorting_algorithms
+
+COPY --from=builder /home/saundersp/sorting_algorithms/bin/data .
+
+ENTRYPOINT ["./data"]

docker-compose.yaml

@@ -1,4 +1,5 @@
 services:
   sorting_algorithms:
     image: saundersp/sorting_algorithms
+    pull_policy: never
     build: .