feat: add arg forwarding to docker-entrypoint and backrestmon

Dockerfile.alpine

@@ -1,7 +1,8 @@
 FROM golang:1.24-alpine AS builder
 WORKDIR /src
 COPY . .
-RUN go build -o /docker-entrypoint ./cmd/docker-entrypoint
+RUN go build -o /docker-entrypoint -ldflags "-s -w" ./cmd/docker-entrypoint
+
 
 FROM alpine:latest
 LABEL org.opencontainers.image.source="https://github.com/garethgeorge/backrest"

Dockerfile.scratch

@@ -1,7 +1,7 @@
 FROM golang:1.24-alpine AS builder
 WORKDIR /src
 COPY . .
-RUN go build -o /docker-entrypoint ./cmd/docker-entrypoint
+RUN go build -o /docker-entrypoint -ldflags "-s -w" ./cmd/docker-entrypoint
 
 FROM alpine:latest AS alpine
 RUN apk add --no-cache ca-certificates tini-static

cmd/docker-entrypoint/main.go

@@ -28,9 +28,11 @@ func main() {
 		os.Stderr.WriteString("No command provided to run.\n")
 		os.Exit(1)
 	}
-	os.Stderr.WriteString("Running command: " + os.Args[1] + " " + fmt.Sprint(os.Args[2:]) + "\n")
+	subcommand := os.Args[1]
+	args := os.Args[2:]
+	os.Stderr.WriteString("Running command: " + subcommand + " " + fmt.Sprint(args) + "\n")
 
-	cmd := exec.Command(os.Args[1], os.Args[2:]...)
+	cmd := exec.Command(subcommand, args...)
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
 	cmd.Stdin = os.Stdin