Adding PostgreSQL

templates/postgres/0/docker-compose.yml

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+version: '2'
+services:
+  postgres-lb:
+    image: rancher/load-balancer-service
+    links:
+      - postgres
+    ports:
+      - ${lb_port}:5432
+
+  postgres-data:
+    image: busybox
+    labels:
+      io.rancher.container.start_once: true
+    volumes:
+      - /var/lib/postgresql/data/pgdata
+
+  postgres:
+    image: postgres:latest
+    environment:
+      PGDATA: /var/lib/postgresql/data/pgdata
+      POSTGRES_DB: ${postgres_db}
+      POSTGRES_USER: ${postgres_user}
+      POSTGRES_PASSWORD: ${postgres_password}
+    tty: true
+    stdin_open: true
+    labels:
+      io.rancher.sidekicks: postgres-data
+    volumes_from:
+      - postgres-data

templates/postgres/0/rancher-compose.yml

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+.catalog:
+  name: "Postgres"
+  version: "v0.0.1"
+  description: "PostgreSQL"
+  uuid: postgres-0
+  minimum_rancher_version: v0.9.0
+  questions:
+    - variable: lb_port
+      description: "Port to access PostgreSQL from external services"
+      label: "Postgres LB Port"
+      required: true
+      default: 5432
+      type: "int"
+    - variable: postgres_db
+      description: "Postgres Database"
+      label: "Postgres Database"
+      required: true
+      default: "postgres_sb"
+      type: "string"
+    - variable: postgres_user
+      description: "Postgres User"
+      label: "Postgres User"
+      required: true
+      default: "postgres_user"
+      type: "string"
+    - variable: postgres_password
+      description: "Postgres Password"
+      label: "Postgres Password"
+      required: true
+      default: "postgres_password"
+      type: "string"
+      
+version: '2'
+services:
+  postgres-lb:
+    scale: 1
+    load_balancer_config:
+      haproxy_config: {}
+    health_check:
+      port: 42
+      interval: 2000
+      unhealthy_threshold: 3
+      healthy_threshold: 2
+      response_timeout: 2000
+  postgres:
+    scale: 1
+    health_check:
+      port: 5432
+      interval: 2000
+      unhealthy_threshold: 3
+      healthy_threshold: 2
+      response_timeout: 2000  

templates/postgres/README.md

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+## What is inside PostgreSQL Stack?
+* Postgres Database + sidekick with volume data
+* Load Balancer
+
+## Info 
+* Easy setup with all needed data: `database_name`, `user`, `password`
+* Load Balancer used to forroward Postgress port for the external services.

templates/postgres/config.yml

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+name: PostgreSQL
+description: |
+  PostgreSQL — an object-relational database (ORDBMS)
+version: v0.0.1
+category: Database