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+# syntax=docker/dockerfile:1
+
+# ----- Builder stage: build all cmd/... tools -----
+FROM golang:1.24-alpine AS builder
+
+# Install necessary build dependencies for fetching modules
+RUN apk add --no-cache git ca-certificates && update-ca-certificates
+
+WORKDIR /src
+
+# Cache modules
+COPY go.mod go.sum ./
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go mod download
+
+# Copy the rest of the source
+COPY . .
+
+# Build and install all commands under ./cmd/... into /out
+ENV CGO_ENABLED=0
+ENV GOBIN=/out
+RUN --mount=type=cache,target=/go/pkg/mod \
+    go install ./cmd/...
+
+# ----- Final runtime image: minimal alpine with tools installed -----
+FROM alpine:3.20
+
+# Ensure common utilities are present
+RUN apk add --no-cache bash curl ca-certificates && update-ca-certificates
+
+# Copy binaries from builder
+COPY --from=builder /out/ /usr/local/bin/
+
+# Working directory for mounting the host CWD
+WORKDIR /work
+
+# Default command shows available tools if run without args
+CMD ["/bin/sh", "-lc", "echo 'Tools installed:' && ls -1 /usr/local/bin && echo '\nMount your project with: docker run --rm -it -v $PWD:/work IMAGE <tool> ...'"]