init: template from npm action

Dockerfile

@@ -0,0 +1,17 @@
+FROM node:10-slim
+
+LABEL version="1.0.0"
+LABEL repository="http://github.com/mikeal/auto-release"
+LABEL homepage="http://github.com/auto-release"
+LABEL maintainer="Mikeal Rogers <mikeal.rogers@gmail.com>"
+
+LABEL com.github.actions.name="Automated releases for npm packages."
+LABEL com.github.actions.description="Release npm package based on commit metadata."
+LABEL com.github.actions.icon="package"
+LABEL com.github.actions.color="red"
+COPY LICENSE README.md /
+
+COPY "entrypoint.sh" "/entrypoint.sh"
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["help"]
+

entrypoint.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+set -e
+
+if [ -n "$NPM_AUTH_TOKEN" ]; then
+  # Respect NPM_CONFIG_USERCONFIG if it is provided, default to $HOME/.npmrc
+  NPM_CONFIG_USERCONFIG="${NPM_CONFIG_USERCONFIG-"$HOME/.npmrc"}"
+  NPM_REGISTRY_URL="${NPM_REGISTRY_URL-registry.npmjs.org}"
+
+  # Allow registry.npmjs.org to be overridden with an environment variable
+  printf "//%s/:_authToken=%s\\nregistry=%s" "$NPM_REGISTRY_URL" "$NPM_AUTH_TOKEN" "$NPM_REGISTRY_URL" > "$NPM_CONFIG_USERCONFIG"
+  chmod 0600 "$NPM_CONFIG_USERCONFIG"
+fi
+
+sh -c "npx auto-release $*"