add dockerfile and drone config

.drone.yml

@@ -0,0 +1,9 @@
+pipeline:
+  docker:
+    image: plugins/docker
+    registry: docker.mtfos.xyz
+    repo: docker.mtfos.xyz/mtfos/node-iglook
+    dockerfile: Dockerfile
+    tags: [latest, "${DRONE_COMMIT}"]
+    when:
+      branch: release

Dockerfile

@@ -0,0 +1,5 @@
+FROM node:lts-alpine
+WORKDIR /data
+COPY . .
+RUN apk add --no-cache curl ca-certificates && npm install
+CMD ["npm", "start"]