prevent github from assuming docker

Dockerfile.bak

@@ -0,0 +1,42 @@
+# https://hub.docker.com/_/rust?tab=tags
+FROM rust:1.37.0 as builder
+
+# musl-gcc
+RUN apt-get update \
+	&& apt-get install -y \
+		musl-dev \
+		musl-tools \
+		ca-certificates \
+	&& apt-get clean \
+	&& rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+RUN rustup target add x86_64-unknown-linux-musl
+# cache deps https://blog.jawg.io/docker-multi-stage-build/
+# RUN USER=root cargo init
+# COPY Cargo.toml .
+# RUN cargo build --target x86_64-unknown-linux-musl --release
+# COPY src src
+COPY . .
+RUN cargo build --target x86_64-unknown-linux-musl --release
+RUN strip /app/target/x86_64-unknown-linux-musl/release/action-gh-release
+
+FROM scratch
+
+# https://help.github.com/en/articles/metadata-syntax-for-github-actions#about-yaml-syntax-for-github-actions
+LABEL version="0.1.0" \
+  repository="https://github.com/meetup/action-gh-release/" \
+  homepage="https://github.com/meetup/action-gh-release" \
+  maintainer="Meetup" \
+  "com.github.actions.name"="GH-Release" \
+  "com.github.actions.description"="Creates a new Github Release" \
+  "com.github.actions.icon"="package" \
+  "com.github.actions.color"="green"
+
+COPY --from=builder \
+	/etc/ssl/certs/ca-certificates.crt \
+	/etc/ssl/certs/
+COPY --from=builder \
+	/app/target/x86_64-unknown-linux-musl/release/action-gh-release \
+	/action-gh-release
+ENTRYPOINT ["/action-gh-release"]