Compile in bookworm and update alpine to 3.19 (#97)

* Update alpine to 3.19

* Attempt to build in bookworm

* Update changelog entry to note build image change

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## main / unreleased
 
 * [ENHANCEMENT] Expose pprof endpoint for profiling. #109
+* [ENHANCEMENT] Change Docker build image to `golang:1.21-bookworm` and update base image to `alpine:3.19`. #97
 
 ## v0.10.1
 

Dockerfile

@@ -1,17 +1,15 @@
-FROM golang:1.21-alpine3.18 AS build
+FROM golang:1.21-bookworm AS build
 
 ARG TARGETOS
 ARG TARGETARCH
 ARG BUILDTARGET=rollout-operator
 
-RUN apk add --no-cache build-base git
-
 COPY . /src/rollout-operator
 WORKDIR /src/rollout-operator
 RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} make ${BUILDTARGET}
 
-FROM alpine:3.18
-RUN apk add --no-cache ca-certificates
+FROM alpine:3.19
+RUN apk add --no-cache ca-certificates gcompat
 
 COPY --from=build /src/rollout-operator/rollout-operator /bin/rollout-operator
 ENTRYPOINT [ "/bin/rollout-operator" ]

integration/mock-service/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.18
+FROM alpine:3.19
 
 COPY       mock-service /bin/mock-service
 ENTRYPOINT [ "/bin/mock-service" ]