chore(ci): rework image creation add a dev build

chore(ci): enable provenance and enrich OCI metadata for docker images

chore(ci): align dev and prod docker builds with multi-arch release

chore(ci): enable provenance mode=max for image build

chore(ci): fix multi-arch build to support provenance mode=max

chore(docker): install corepack in build image with npm

chore(ci): use action for gpg import

Dockerfile

@@ -1,10 +1,12 @@
-FROM ghcr.io/arlind-dev/sulej.ch:build-latest AS build
+ARG BUILD_IMAGE=ghcr.io/arlind-dev/sulej.ch:build-latest
+FROM --platform=$BUILDPLATFORM ${BUILD_IMAGE} AS build
 
 FROM nginx:alpine
-WORKDIR /usr/share/nginx/html
 
+ARG BUILD_IMAGE
+
+WORKDIR /usr/share/nginx/html
 COPY --from=build /output ./
 
 EXPOSE 80
-
 CMD ["nginx", "-g", "daemon off;"]