Dockerize trellobot using multi-stage & distroless

.dockerignore

@@ -0,0 +1,33 @@
+# Docker
+Dockerfile
+.dockerignore
+0compose/
+
+# Git
+.git/
+.gitignore
+.gitlab-ci.yml
+
+# IDE
+.idea/
+.vscode/
+.venv/
+
+# Temp
+tmp/
+
+# Ingore invoke tasks
+tasks.py
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Cache
+.cache/
+node_modules/
+dist/
+
+# Unnecessary data
+docs/

.gitignore

@@ -1,6 +1,16 @@
-.auth
 .latestActivityID
 node_modules/
 .vscode/
 old-confs/
-conf.json
+
+# Ignore config
+conf.json
+.auth
+
+# Ignore for docker-compose
+docker-compose.yml
+docker-compose.override.yml
+trellobot-data/
+
+# Ignore tmp/
+tmp/

Dockerfile

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+#
+# Ref: https://learnk8s.io/blog/smaller-docker-images
+#
+# Build:
+#       docker build -t trellobot:0.1 .
+# Run:
+#       docker run --name trellobot --init trellobot:0.1
+
+#--------------------------------------
+# Stage 1: Compile Apps
+#--------------------------------------
+FROM node:8 as build
+
+WORKDIR /app
+COPY package.json ./
+RUN npm install
+
+COPY trellobot.js .auth conf.json ./
+
+#--------------------------------------
+# Stage 2: Packaging Apps
+#--------------------------------------
+FROM gcr.io/distroless/nodejs
+# FROM node:8-alpine
+
+WORKDIR /app
+COPY --from=build /app /app
+# EXPOSE 3000
+
+CMD ["trellobot.js"]

Makefile

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+#PRIVATE_REGISTRY_URL=ro.lan:5000
+
+DOCKER_IMAGE=cuongtransc/trellobot
+VERSION=0.1
+
+all: build
+
+build:
+	docker build --tag=${DOCKER_IMAGE}:${VERSION} .
+
+push:
+	docker push ${DOCKER_IMAGE}:${VERSION}
+
+# build-for-private-registry:
+# 	docker build --tag=${PRIVATE_REGISTRY_URL}/${DOCKER_IMAGE}:${VERSION} .
+
+# push-for-private-registry:
+# 	docker push ${PRIVATE_REGISTRY_URL}/${DOCKER_IMAGE}:${VERSION}
+

docker-compose.tmpl.yml

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+#
+# Source code address
+# https://hub.docker.com/u/cuongtransc/
+#
+# syntax: https://docs.docker.com/compose/compose-file/
+#
+
+version: "2.4"
+
+services:
+    trellobot:
+        image: cuongtransc/trellobot:0.1
+        networks:
+            - comp_default
+        volumes:
+            - ./trellobot-data/.auth:/app/.auth
+            - ./trellobot-data/conf.json:/app/conf.json
+            - ./trellobot-data/.latestActivityID:/app/.latestActivityID
+        hostname: trellobot
+        domainname: devopsz.com
+        cpu_shares: 512
+        mem_limit: 100M
+        init: true
+        # privileged: true
+        # restart: always
+        # stdin_open: true
+        # tty: true
+        logging:
+            driver: "json-file"
+            options:
+                max-size: "100M"
+                max-file: "3"
+
+networks:
+    comp_default:
+        external: true