Add Docker setup

Author: micorix

Dockerfile

@@ -0,0 +1,10 @@
+FROM node:14.15.3
+
+RUN mkdir -p /opt/notes-app
+WORKDIR /opt/notes-app
+
+COPY package.json package-lock.json ./
+
+RUN npm install
+
+CMD ["npm", "run", "start"]

README.md

@@ -36,6 +36,18 @@ Then open http://localhost:4000.
 
 The app won't work until you set up the database, as described below.
 
+<details>
+  <summary>Setup with Docker</summary>
+  <p>You can also start dev build of the app by using docker-compose.</p>
+  <p>Make sure you have docker and docker-compose installed then run:</p>
+  <pre><code>docker-compose up</code></pre>
+  <h4>Running seed script</h4>
+  <p>1. Run containers in the detached mode</p>
+  <pre><code>docker-compose up -d</code></pre>
+  <p>2. Run seed script</p>
+  <pre><code>docker-compose exec notes-app npm run seed</code></pre>
+</details>
+
 ## DB Setup
 
 This demo uses Postgres. First, follow its [installation link](https://wiki.postgresql.org/wiki/Detailed_installation_guides) for your platform.

docker-compose.yml

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+version: "3.8"
+services:
+  postgres:
+    image: postgres:13
+    environment:
+      POSTGRES_USER: admin
+      POSTGRES_PASSWORD: admin
+      POSTGRES_DB: notesapi
+    ports:
+      - '5432:5432'
+    volumes:
+      - ./scripts/init_db.sh:/docker-entrypoint-initdb.d/init_db.sh
+      - db:/var/lib/postgresql/data
+
+  notes-app:
+    build:
+      context: .
+    depends_on:
+      - postgres
+    ports:
+      - '4000:4000'
+    network_mode: host
+    volumes:
+    - ./notes:/opt/notes-app/notes
+    - ./public:/opt/notes-app/public
+    - ./scripts:/opt/notes-app/scripts
+    - ./server:/opt/notes-app/server
+    - ./src:/opt/notes-app/src
+    - ./credentials.json:/opt/notes-app/credentials.json
+
+volumes:
+  db:

scripts/init_db.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    CREATE ROLE notesadmin WITH LOGIN PASSWORD 'password';
+    ALTER ROLE notesadmin WITH SUPERUSER;
+    ALTER DATABASE notesapi OWNER TO notesadmin;
+
+    DROP TABLE IF EXISTS notes;
+    CREATE TABLE notes (
+      id SERIAL PRIMARY KEY,
+      created_at TIMESTAMP NOT NULL,
+      updated_at TIMESTAMP NOT NULL,
+      title TEXT,
+      body TEXT
+    );
+EOSQL