add: Create a Makefile that defines build and launch commands

Author: KeisukeKudo

Makefile

@@ -0,0 +1,40 @@
+DOCKER_COMPOSE=docker-compose
+RUN_WEB=$(DOCKER_COMPOSE) run --rm web
+DATABASE_YAML_COPY_FROM=database.postgres.yml
+DATABASE_YAML_COPY_TO=config/database.yml
+
+all:
+	@make new --no-print-directory
+	@make build --no-print-directory
+	@make copy-config --no-print-directory
+	@make db-create --no-print-directory
+	@make up --no-print-directory
+	@echo "Yay! You're on Rails !!" && echo "Open in web browser http://localhost:3000"
+
+# Create a rails project
+new:
+	@$(RUN_WEB) rails new . --force --no-deps --database=postgresql --skip-test --webpacker
+
+# Build Dockerfile
+build:
+	@$(DOCKER_COMPOSE) build --no-cache
+
+# Copy postgres connection settings
+copy-config:
+	@$(RUN_WEB) cp -b $(DATABASE_YAML_COPY_FROM) $(DATABASE_YAML_COPY_TO) | true
+
+# Create a database
+db-create:
+	@$(RUN_WEB) bundle exec rake db:create
+
+# Create and start a docker container
+up:
+	@$(DOCKER_COMPOSE) up -d
+
+# Close container
+down:
+	@$(DOCKER_COMPOSE) down
+
+# Delete all containers, images, volumes, and networks
+remove-all:
+	@$(DOCKER_COMPOSE) down --rmi all --volumes

README.md

@@ -1,28 +1,53 @@
 # docker-rails6-postgres
 
+## Run the following command
+
+```bash
+$ make all
+```
+
+That's all.  
+
+
 ## How to buildup environment
+
 ### Clone This Repository
 
-```
+```bash
 $ git clone https://github.com/tokidrill/docker-rails6-postgres.git
 ```
 
 ### Run rails new
+
 Create Rails project with PostgreSQL.
 
+#### run rails new
+
 ```
-$ docker-compose run web rails new . --force --no-deps --databse=postgres --skip-test --webpacker
+$ docker-compose run --rm web rails new . --force --no-deps --databse=postgres --skip-test --webpacker
 ```
 
-### Build Docker image
+#### alias
 
+```bash
+$ make new
 ```
+
+### Build Docker image
+
+```bash
 $ docker-compose build --no-cache
 ```
 
+#### alias
+
+```bash
+$ make build
+```
+
 ### Modify your database configulation and create database
 
-Modify ```database.yml``` .
+#### Modify ```database.yml``` .
 
 config/database.yml
 ```config/database.yml
@@ -53,18 +78,34 @@ production:
 
 ```
 
-Then, run migrate for initialize.
+#### Or execute the command
 
+```bash
+make copy-config
 ```
+
+#### Then, run migrate for initialize.
+
+```bash
 $ docker-compose run web rake db:create
 ```
 
 ## Up Docker container
 
-```
+```bash
 $ docker-compose up -d
 ```
 
+#### alias
+
+```bash
+$ make up
+```
+
 ## Yay! You're on Rails !!
-Access http://localhost:3000 .
-Congratulations !! Now, you're on Rails !!
+Access http://localhost:3000 .  
+Congratulations !! Now, you're on Rails !!  
+
+#### Other commands
+
+[See Makefile](./Makefile)

database.postgres.yml

@@ -0,0 +1,23 @@
+default: &default
+  adapter: postgresql
+  encoding: utf8
+
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  host: <%= ENV.fetch('DATABASE_HOST') {'db'} %>
+  port: <%= ENV.fetch('DATABASE_PORT') {'5432'} %>
+  username: <%= ENV.fetch('DATABASE_USER') {'postgres'} %>
+  password: <%= ENV.fetch('DATABASE_PASSWORD') {'password'} %>
+
+development:
+  <<: *default
+  database: test_development
+
+test:
+  <<: *default
+  database: test_test
+
+production:
+  <<: *default
+  database: test_production
+  username: test
+  password: <%= ENV['TEST_DATABASE_PASSWORD'] %>