fix(docker): update Dockerfile to be compatible with modern CI

Dockerfile.darwin

@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} ghcr.io/darkness4/fc2-live-dl-go:latest-darwin-base-${TARGETARCH} as builder
+FROM --platform=${BUILDPLATFORM} ghcr.io/darkness4/fc2-live-dl-go:latest-darwin-base-${TARGETARCH} AS builder
 
 WORKDIR /work
 COPY go.mod go.sum ./
@@ -29,17 +29,8 @@ RUN if [ "${TARGETARCH}" = "amd64" ]; then \
   fi; \
   GOARCH=${TARGETARCH} make bin/fc2-live-dl-go-darwin VERSION=${VERSION}
 
-FROM scratch
+# Helper container to copy binaries outside the container using podman/buildx export. Unused in production.
+FROM scratch AS export
 
-COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY --from=builder /work/bin/fc2-live-dl-go-darwin /fc2-live-dl-go
-
-ENTRYPOINT [ "/fc2-live-dl-go" ]
-
-# Helper container to copy binaries outside the container. Unused in production.
-FROM busybox as busybox
-
-COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY --from=builder /work/bin/fc2-live-dl-go-darwin /fc2-live-dl-go
-
-ENTRYPOINT [ "/fc2-live-dl-go" ]
+ARG TARGETARCH
+COPY --from=builder /work/bin/fc2-live-dl-go-darwin /fc2-live-dl-go-darwin-${TARGETARCH}

Dockerfile.static

@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} ghcr.io/darkness4/fc2-live-dl-go:latest-static-base as builder
+FROM --platform=${BUILDPLATFORM} ghcr.io/darkness4/fc2-live-dl-go:latest-static-base AS builder
 
 WORKDIR /work
 COPY go.mod go.sum ./
@@ -24,17 +24,17 @@ RUN if [ "${TARGETARCH}" = "amd64" ]; then \
   fi; \
   CGO_ENABLED=1 GOARCH=${TARGETARCH} make bin/fc2-live-dl-go-static VERSION=${VERSION}
 
-FROM --platform=${TARGETPLATFORM} scratch
-
-COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY --from=builder /work/bin/fc2-live-dl-go-static /fc2-live-dl-go
+# Helper container to copy binaries outside the container using podman/buildx export. Unused in production.
+FROM scratch AS export
 
-ENTRYPOINT [ "/fc2-live-dl-go" ]
+ARG TARGETARCH
+COPY --from=builder /work/bin/fc2-live-dl-go-static /fc2-live-dl-go-linux-${TARGETARCH}
 
-# Helper container to copy binaries outside the container. Unused in production.
-FROM --platform=${TARGETPLATFORM} busybox as busybox
+# Running container
+FROM --platform=${TARGETPLATFORM} scratch
 
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 COPY --from=builder /work/bin/fc2-live-dl-go-static /fc2-live-dl-go
 
 ENTRYPOINT [ "/fc2-live-dl-go" ]
+

Dockerfile.static-base

@@ -1,4 +1,4 @@
-FROM --platform=linux/amd64 docker.io/gentoo/stage3:musl as builder
+FROM --platform=linux/amd64 docker.io/gentoo/stage3:musl AS builder
 
 RUN PORTAGE_RSYNC_EXTRA_OPTS="-q" emerge --sync
 

Dockerfile.static-windows

@@ -1,4 +1,4 @@
-FROM ghcr.io/darkness4/fc2-live-dl-go:latest-static-windows-base
+FROM ghcr.io/darkness4/fc2-live-dl-go:latest-static-windows-base AS builder
 
 WORKDIR /work
 COPY go.mod go.sum ./