build: add debian based Dockerfile

Author: buchdag

Dockerfile.debian

@@ -0,0 +1,30 @@
+# Build docker-gen from scratch
+FROM golang:1.17.5 as go-builder
+
+ARG VERSION=main
+
+WORKDIR /build
+
+# Install the dependencies
+COPY . .
+RUN go mod download
+
+# Build the docker-gen executable
+RUN GOOS=linux go build -ldflags "-X main.buildVersion=${VERSION}" -o docker-gen ./cmd/docker-gen
+
+FROM debian:11-slim
+
+LABEL maintainer="Jason Wilder <mail@jasonwilder.com>"
+
+ENV DOCKER_HOST unix:///tmp/docker.sock
+
+# Install packages required by the image
+RUN apt-get update \
+    && apt-get install -y -q --no-install-recommends openssl \
+    && apt-get clean \
+    && rm -r /var/lib/apt/lists/*
+
+# Install docker-gen from build stage
+COPY --from=go-builder /build/docker-gen /usr/local/bin/docker-gen
+
+ENTRYPOINT ["/usr/local/bin/docker-gen"]