updated ruby version to 2.7.3, updated gem versions

.devcontainer/Dockerfile

@@ -0,0 +1,36 @@
+# [Choice] Ruby version: 2, 2.7, 2.6, 2.5
+ARG VARIANT=2.7-bullseye
+FROM mcr.microsoft.com/vscode/devcontainers/ruby:0-${VARIANT}
+
+# Install Rails
+RUN gem install rails webdrivers 
+
+# Default value to allow debug server to serve content over GitHub Codespace's port forwarding service
+# The value is a comma-separated list of allowed domains 
+ENV RAILS_DEVELOPMENT_HOSTS=".githubpreview.dev"
+
+# [Choice] Node.js version: lts/*, 16, 14, 12, 10
+ARG NODE_VERSION="lts/*"
+RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"
+
+# [Optional] Uncomment this section to install additional OS packages.
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends graphicsmagick postgresql-client redis-server curl
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
+RUN gem install foreman bundler:2.2.33 rubocop rufo
+
+RUN apt-get update && \
+    apt-get install -y gnupg wget curl unzip --no-install-recommends && \
+    wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
+    echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list && \
+    apt-get update -y && \
+    apt-get install -y google-chrome-stable && \
+    CHROMEVER=$(google-chrome --product-version | grep -o "[^\.]*\.[^\.]*\.[^\.]*") && \
+    DRIVERVER=$(curl -s "https://chromedriver.storage.googleapis.com/LATEST_RELEASE_$CHROMEVER") && \
+    wget -q --continue -P /chromedriver "http://chromedriver.storage.googleapis.com/$DRIVERVER/chromedriver_linux64.zip" && \
+    unzip /chromedriver/chromedriver* -d /chromedriver
+
+# Put Chromedriver into the PATH
+ENV PATH $CHROMEDRIVER_DIR:$PATH

.devcontainer/create-db-user.sql

@@ -0,0 +1,2 @@
+CREATE USER vscode CREATEDB SUPERUSER;
+CREATE DATABASE vscode WITH OWNER vscode;

.devcontainer/devcontainer.json

@@ -0,0 +1,21 @@
+{
+	"name": "odata",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "app",
+	"workspaceFolder": "/workspace",
+	// Set *default* container specific settings.json values on container create.
+	"settings": {},
+	// Add the IDs of extensions you want installed when the container is created.
+	"extensions": [
+		"rebornix.Ruby",
+		"jnbt.vscode-rufo"
+	],
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [3000],
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "bundle install && yarn && rake db:setup",
+	// start redis-server after subsequent start of the devcontainer
+	"postStartCommand": "sudo /etc/init.d/redis-server start",
+	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode"
+}

.devcontainer/docker-compose.yml

@@ -0,0 +1,52 @@
+version: '3'
+
+services:
+  app:
+    build:
+      context: ..
+      dockerfile: .devcontainer/Dockerfile
+      args:
+        # [Choice] Ruby version: 3, 3.0, 2, 2.7, 2.6, 2.5
+        VARIANT: "2.7-bullseye"
+        # [Choice] Node.js version: lts/*, 16, 14, 12, 10
+        NODE_VERSION: "lts/*"
+
+    init: true
+    volumes:
+      - ..:/workspace:cached
+      - app-data:/home/vscode/data
+
+    # Overrides default command so things don't shut down after the process ends.
+    command: sleep infinity
+
+    # Runs app on the same network as the database container, allows "forwardPorts" in devcontainer.json function.
+    network_mode: service:db
+
+    environment:
+      DATABASE_HOST: localhost
+      DATABASE_USER: vscode
+      HOST: 0.0.0.0
+
+    # Uncomment the next line to use a non-root user for all processes.
+    user: vscode
+
+    # Use "forwardPorts" in **devcontainer.json** to forward an app port locally.
+    # (Adding the "ports" property to this file will not forward from a Codespace.)
+
+  db:
+    image: postgres:latest
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+      - ./create-db-user.sql:/docker-entrypoint-initdb.d/create-db-user.sql
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_DB: postgres
+      POSTGRES_PASSWORD: postgres
+
+    # Add "forwardPorts": ["5432"] to **devcontainer.json** to forward PostgreSQL locally.
+    # (Adding the "ports" property to this file will not forward from a Codespace.)
+
+volumes:
+  postgres-data:
+  app-data:

.ruby-version

@@ -1 +1 @@
-2.1.5
+2.7.3

lib/odata/version.rb

@@ -1,3 +1,3 @@
 module OData
-  VERSION = '0.6.18'
+  VERSION = '0.7.0'
 end

odata.gemspec

@@ -18,17 +18,17 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = %w{lib}
 
-  spec.add_development_dependency 'bundler', '~> 1.6'
+  spec.add_development_dependency 'bundler', '~> 2.1.4'
   spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'simplecov', '~> 0.8.2'
+  spec.add_development_dependency 'simplecov', '~> 0.21.2'
   spec.add_development_dependency 'codeclimate-test-reporter'
-  spec.add_development_dependency 'rspec', '~> 3.0.0'
-  spec.add_development_dependency 'rspec-autotest', '~> 1.0.0'
-  spec.add_development_dependency 'autotest', '~> 4.4.6'
-  spec.add_development_dependency 'vcr', '~> 2.9.2'
-  spec.add_development_dependency 'timecop', '~> 0.7.1'
+  spec.add_development_dependency 'rspec', '~> 3.11.0'
+  spec.add_development_dependency 'rspec-autotest', '~> 1.0.2'
+  spec.add_development_dependency 'autotest', '~> 5.0.0'
+  spec.add_development_dependency 'vcr', '~> 6.1.0'
+  spec.add_development_dependency 'timecop', '~> 0.9.5'
 
-  spec.add_dependency 'nokogiri', '~> 1.6.2'
-  spec.add_dependency 'typhoeus', '~> 0.6.8'
+  spec.add_dependency 'nokogiri', '~> 1.13.8'
+  spec.add_dependency 'typhoeus', '~> 1.4.0'
   spec.add_dependency 'andand',   '~> 1.3.3'
 end