Add docker

Author: Nguyen Van A

Dockerfile

@@ -0,0 +1,45 @@
+FROM ruby:3.2.2
+
+# Set timezone để tránh lỗi timezone data source
+ENV TZ=Asia/Ho_Chi_Minh
+
+# Cài đặt các package cần thiết bao gồm tzdata
+RUN apt-get update -qq && apt-get install -y \
+    build-essential \
+    libpq-dev \
+    nodejs \
+    default-mysql-client \
+    yarn \
+    tzdata \
+    dos2unix \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy Gemfile trước để tận dụng Docker layer caching
+COPY Gemfile Gemfile.lock ./
+
+# Install gems
+RUN bundle install
+
+# Copy toàn bộ source code
+COPY . .
+
+# Fix line endings cho tất cả các file quan trọng
+RUN find . -type f \( -name "*.rb" -o -name "*.yml" -o -name "*.yaml" -o -name "*.sh" \) -exec dos2unix {} \; && \
+    find ./bin -type f -exec dos2unix {} \; && \
+    find ./bin -type f -exec chmod +x {} \; && \
+    find . -name "rails" -type f -exec dos2unix {} \; && \
+    find . -name "rake" -type f -exec dos2unix {} \; && \
+    find . -name "bundle" -type f -exec dos2unix {} \;
+
+# Fix quyền thực thi cho bin directory
+RUN chmod -R +x ./bin
+
+# Expose port
+EXPOSE 3000
+
+# Default command với đường dẫn đầy đủ
+CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0", "-p", "3000"]

config/database.yml.example

@@ -13,6 +13,7 @@ default: &default
   adapter: mysql2
   encoding: utf8mb4
   pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  # host: db # if use docker
   username: root
   password:
   socket: /var/run/mysqld/mysqld.sock

docker-compose.yml

@@ -0,0 +1,33 @@
+version: '3.8'
+
+services:
+  db:
+    image: mysql:8.0
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: password
+      MYSQL_DATABASE: rails_tutorial_development
+      MYSQL_CHARSET: utf8mb4
+      MYSQL_COLLATION: utf8mb4_unicode_ci
+    ports:
+      - "3306:3306"
+    volumes:
+      - db_data:/var/lib/mysql
+    command: --default-authentication-plugin=mysql_native_password
+
+  web:
+    build: .
+    command: bash -c "rm -f tmp/pids/server.pid && bundle exec rails server -b 0.0.0.0 -p 3000"
+    volumes:
+      - .:/app
+    ports:
+      - "3000:3000"
+    depends_on:
+      - db
+    environment:
+      - RAILS_ENV=development
+    stdin_open: true
+    tty: true
+
+volumes:
+  db_data: