lesson 8

nodeJS/Learning/06/docker-compose.yaml

@@ -3,8 +3,42 @@ services:
     build: .
     ports:
       - "3000:3000"
+    # files are put in here
     volumes:
       - .:/usr/src/app
       - ./node_modules:/usr/src/app/node_modules
     command: ["yarn", "dev"]
-  # Database
+
+  # Database: how we want to create the database
+  db:
+    # Image of postgres in 13th version
+    image: postgres:13
+    environment: #secret
+      POSTGRES_USER: ${DB_USER}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      POSTGRES_DB: ${DB_NAME}
+    ports: #internally the port is 5432, but we want to use 5432 locally
+      - "5432:5432"
+    # create a file to store stuff, store inside "data" folder
+    volumes:
+      - ./data:/var/lib/postgresql/data
+
+  # PGAdmin: visualize postgres database
+  pgadmin:
+    image: dpage/pgadmin4
+    environment:
+      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_DEFAULT_EMAIL}
+      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_DEFAULT_PASSWORD}
+    ports:
+      # our local port is 3001, but the container port is 80
+      - "3001:80"
+    # creating a folder called pgadmin to store the pgadmin files
+    volumes:
+      - ./pgadmin:/root/.pgadmin
+    depends_on:
+      - db
+
+# tell docker to create something called data (refer to above) and store all the postgres data in it
+volumes:
+  data:
+  pgadmin: