add basic ruby and sql files

calacademy-research · Aug 13, 2024 · 3883476 · 3883476
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diff --git a/migration/Dockerfile b/migration/Dockerfile
@@ -0,0 +1,19 @@
+# Use the official Ruby image from Docker Hub
+FROM ruby:latest
+
+# Set the working directory inside the container
+WORKDIR /usr/src/app
+
+# Copy the Ruby script into the container
+COPY app.rb .
+
+# Install the webrick gem
+RUN gem install webrick
+RUN gem install mysql2
+
+# Expose port 8080 to be accessible from outside the container
+EXPOSE 8080
+
+# Define the command to run the script
+CMD ["ruby", "app.rb"]
+
diff --git a/migration/app.rb b/migration/app.rb
@@ -0,0 +1,37 @@
+require 'webrick'
+require 'mysql2'
+
+# Configure the MySQL client
+client = Mysql2::Client.new(
+  host: 'db',  # Docker Compose service name
+  username: 'root',
+  password: 'password',
+  database: 'mydatabase'
+)
+
+# Define the web server
+server = WEBrick::HTTPServer.new(Port: 8080)
+
+# Define a response for the root path "/"
+server.mount_proc '/' do |req, res|
+  # Query the database
+  results = client.query('SELECT * FROM mytable')
+
+  # Build the HTML response
+  html = '<html><body><h1>Data from MySQL</h1><ul>'
+  results.each do |row|
+    html += "<li>#{row['name']}</li>"
+  end
+  html += '</ul></body></html>'
+
+  res.body = html
+end
+
+# Trap interrupts (Ctrl+C) to gracefully shut down the server
+trap 'INT' do
+  server.shutdown
+end
+
+# Start the server
+server.start
+
diff --git a/migration/docker-compose.yml b/migration/docker-compose.yml
@@ -0,0 +1,23 @@
+
+services:
+  db:  # The name of your service
+    image: mysql/mysql-server:latest  # The image to use
+    environment:  # Environment variables
+      - MYSQL_ROOT_HOST=%
+      - MYSQL_ROOT_PASSWORD=password
+    ports:
+      - "3306:3306"  # Port mapping
+    container_name: db # Name of the container
+    restart: unless-stopped  # Restart policy
+    volumes:
+      - ./sql-data:/docker-entrypoint-initdb.d  # Mount the initialization directory
+
+  app:
+    depends_on:
+      - db
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "8080:8080"  # Map port 8080 of the container to port 8080 on the host
+    container_name: ruby-hello-world
diff --git a/migration/sql-data/init.sql b/migration/sql-data/init.sql
@@ -0,0 +1,10 @@
+CREATE DATABASE IF NOT EXISTS mydatabase;
+USE mydatabase;
+
+CREATE TABLE IF NOT EXISTS mytable (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    name VARCHAR(255) NOT NULL
+);
+
+INSERT INTO mytable (name) VALUES ('Hello, World!');
+