rework docker builds

.goreleaser.yaml

@@ -13,6 +13,7 @@ before:
 builds:
   - id: other
     main: ./cmd/backrest
+    binary: backrest
     env:
       - CGO_ENABLED=0
     goos:
@@ -25,6 +26,7 @@ builds:
       - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.Date}}
   - id: linux
     main: ./cmd/backrest
+    binary: backrest
     env:
       - CGO_ENABLED=0
     goos:
@@ -33,10 +35,28 @@ builds:
       - amd64
       - arm64
       - arm
+    goarm:
+      - 6
     ldflags:
       - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.Date}}
+  - id: docker-entrypoint
+    main: ./cmd/docker-entrypoint
+    binary: docker-entrypoint
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+    goarch:
+      - amd64
+      - arm64
+      - arm
+    goarm:
+      - 6
+    ldflags:
+      - -s -w
   - id: windows
     main: ./cmd/backrest
+    binary: backrest
     env:
       - CGO_ENABLED=1
     goos:
@@ -76,8 +96,9 @@ dockers:
     build_flag_templates:
       - "--pull"
       - "--platform=linux/amd64"
-    extra_files:
-      - ./
+    ids:
+      - linux
+      - docker-entrypoint
 
   - image_templates:
       - garethgeorge/backrest:{{ .Tag }}-alpine-arm64
@@ -88,8 +109,9 @@ dockers:
     build_flag_templates:
       - "--pull"
       - "--platform=linux/arm64/v8"
-    extra_files:
-      - ./
+    ids:
+      - linux
+      - docker-entrypoint
 
   - image_templates:
       - garethgeorge/backrest:{{ .Tag }}-scratch-arm64
@@ -100,8 +122,9 @@ dockers:
     build_flag_templates:
       - "--pull"
       - "--platform=linux/arm64/v8"
-    extra_files:
-      - ./
+    ids:
+      - linux
+      - docker-entrypoint
 
   - image_templates:
       - garethgeorge/backrest:{{ .Tag }}-scratch-amd64
@@ -111,8 +134,9 @@ dockers:
     build_flag_templates:
       - "--pull"
       - "--platform=linux/amd64"
-    extra_files:
-      - ./
+    ids:
+      - linux
+      - docker-entrypoint
 
   - image_templates:
       - garethgeorge/backrest:{{ .Tag }}-scratch-armv6
@@ -125,8 +149,9 @@ dockers:
       - "--pull"
       - "--provenance=false"
       - "--platform=linux/arm/v6"
-    extra_files:
-      - ./
+    ids:
+      - linux
+      - docker-entrypoint
 
 docker_manifests:
   - name_template: "garethgeorge/backrest:latest"

Dockerfile.alpine

@@ -1,41 +1,11 @@
-# Stage 1: Web Builder
-FROM node:24-alpine AS web-builder
-WORKDIR /src
-COPY webui ./webui
-WORKDIR /src/webui
-RUN npm install -g pnpm
-RUN pnpm install
-RUN pnpm run build
-
-# Stage 2: Go Builder
-FROM golang:1.24-alpine AS builder
-
-WORKDIR /src
-COPY . .
-# Copy built web assets from web-builder to where go embed expects them
-COPY --from=web-builder /src/webui/dist ./webui/dist
-
-# Magic Args provided by Docker Buildx
-ARG TARGETOS
-ARG TARGETARCH
-ARG VERSION
-
-# Build using the args to cross-compile FAST
-# We map Docker's args to Go's args
-RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
-    go build -ldflags="-s -w -X main.version=${VERSION}" -o /backrest ./cmd/backrest
-
-RUN go build -o /docker-entrypoint -ldflags "-s -w" ./cmd/docker-entrypoint
-
-# Stage 3: Final Image
 FROM alpine:latest
 LABEL org.opencontainers.image.source="https://github.com/garethgeorge/backrest"
 RUN apk --no-cache add tini ca-certificates curl bash rclone openssh tzdata docker-cli
 RUN mkdir -p /tmp
 
-# Copy the binary we built
-COPY --from=builder /backrest /backrest
-COPY --from=builder /docker-entrypoint /docker-entrypoint
+# Copy the binary we built via goreleaser
+COPY backrest /backrest
+COPY docker-entrypoint /docker-entrypoint
 
 # Run the binary to install dependencies (may run via QEMU but necessary)
 RUN /backrest --install-deps-only

Dockerfile.scratch

@@ -1,49 +1,17 @@
-# Stage 1: Web Builder
-FROM node:24-alpine AS web-builder
-WORKDIR /src
-COPY webui ./webui
-WORKDIR /src/webui
-RUN npm install -g pnpm
-RUN pnpm install
-RUN pnpm run build
-
-# Stage 2: Go Builder
-FROM golang:1.24-alpine AS builder
-
-WORKDIR /src
-COPY . .
-# Copy built web assets from web-builder to where go embed expects them
-COPY --from=web-builder /src/webui/dist ./webui/dist
-
-ARG TARGETOS
-ARG TARGETARCH
-ARG TARGETVARIANT
-ARG VERSION
-
-# Logic to handle ARMv6 specifically
-RUN if [ "$TARGETARCH" = "arm" ] && [ "$TARGETVARIANT" = "v6" ]; then \
-      export GOARM=6; \
-    fi; \
-    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
-    go build -ldflags="-s -w -X main.version=${VERSION}" -o /backrest ./cmd/backrest
-
-RUN go build -o /docker-entrypoint -ldflags "-s -w" ./cmd/docker-entrypoint
-
-
-# Stage 3: Dependencies (Alpine)
+# Stage 1: Dependencies (Alpine)
 FROM alpine:latest AS alpine
 RUN apk add --no-cache ca-certificates tini-static
 RUN mkdir /tmp-orig
 
-# Copy binary to run install-deps
-COPY --from=builder /backrest /backrest
+# Copy binary from goreleaser to run install-deps
+COPY backrest /backrest
 RUN /backrest --install-deps-only
 
 # Setup restic path
 RUN mkdir -p /bin && mv /root/.local/share/backrest/restic /bin/restic
 
 
-# Stage 4: Final Image (Scratch)
+# Stage 2: Final Image (Scratch)
 FROM scratch
 LABEL org.opencontainers.image.source="https://github.com/garethgeorge/backrest"
 
@@ -52,9 +20,9 @@ COPY --from=alpine /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=alpine /bin/restic /bin/restic
 COPY --from=alpine /sbin/tini-static /tini
 
-# Copy binaries from builder
-COPY --from=builder /backrest /backrest
-COPY --from=builder /docker-entrypoint /docker-entrypoint
+# Copy binaries from goreleaser
+COPY backrest /backrest
+COPY docker-entrypoint /docker-entrypoint
 
 ENTRYPOINT ["/tini", "--", "/docker-entrypoint"]
 CMD ["/backrest"]