add: Docker stack

.dockerignore

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+node_modules/**

Dockerfile

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+FROM node:lts-alpine
+
+RUN mkdir -p /home/node/app/node_modules && chown -R node:node /home/node/app
+WORKDIR /home/node/app
+COPY --chown=node:node package*.json ./
+
+USER node
+RUN npm install
+COPY --chown=node:node . .
+
+EXPOSE 8080
+CMD ["node", "src/index.js"]

compose.yaml

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+services:
+  web:
+    build: .
+    restart: always
+    ports:
+      - 8080:5000
+
+  adminer:
+    image: adminer
+    restart: always
+    ports:
+      - 8081:8080
+
+  postgres:
+    image: "postgres:alpine"
+    restart: always
+    shm_size: 128mb
+    environment:
+      POSTGRES_PASSWORD: change-me