[Achievement][TSE Standard Listed] Japan Joint Solutions Co., Ltd. (Minato HD Group) × AWS Diagram Transcription Support — Case Study

From visualization of AWS environment to future optimization! Solving JJS's challenges with diagram creation support

（Leach Inc. Homepage: https://leach.co.jp）

Japan Joint Solutions Co., Ltd. (a Minato HD Group company, listed on the Tokyo Stock Exchange Standard Market; hereinafter JJS) had a challenge that the current AWS configuration was complex, and dependencies such as frontend, backend, infrastructure, and external APIs were unclear. Leach Inc. (hereinafter "we") provided "AWS Diagram Transcription Support Service" to JJS, and proposed not only transcription but also security improvements, cost optimization plans, and automation with CI/CD, etc.

Challenges

• Opacity of the entire AWS environment
  Difficult to visualize the entire configuration while many resources are in operation.
• Burden of manual operation
  Workload due to lack of development environment utilizing Docker and CI/CD maintenance.
• Need for cost optimization
  Existence of unused resources and regions.

Support Content

Creation of AWS Diagram

• Investigated communication between resources such as ELB, EC2, RDS, ECR, Time Series DB, and created a configuration diagram.
• Supported organization of Docker configuration and related files.

Security Improvement Proposal

• Proposed improvement plans for security aspects revealed from the AWS configuration diagram.

Cost Optimization

• Utilized Cost Explorer to analyze usage by region.
• Identified inefficient service usage and proposed optimization.

Operational Efficiency

• Recommended infrastructure management using Terraform and proposed a plan for maintaining CI/CD environment.

Results

Realization of Visualization

Transcribed the entire AWS environment configuration as much as possible, clarifying current issues.

Cost Reduction

Proposed cost reduction plans from the transcribed AWS configuration diagram.

Security Enhancement

Pointed out security issues and proposed solutions.

Improvement of Operational Efficiency

Proposed git branch configuration and automation plan with CI/CD.

（Leach Inc. Homepage: https://leach.co.jp）

Customer's Voice

"The initial purpose was to create an AWS diagram, but we gained value beyond that. The proposals for cost reduction and security improvement were particularly beneficial, and we expect improvement in long-term operational efficiency." (Japan Joint Solutions Co., Ltd. Executive Officer Munakata)

■ About Japan Joint Solutions Co., Ltd.

Company Name: Japan Joint Solutions Co., Ltd. (JJS)
Parent Company: Minato Holdings Inc. (Listed on the Tokyo Stock Exchange Standard Market)
Location: 6F Shimbashi Tokyu Bldg, 4-21-3 Shimbashi, Minato-ku, Tokyo
Representative: President Toshimi Sugiyama
Established: March 24, 2004
Business Content: System integration utilizing cloud and AI (planning, construction, operation of business systems), app development, website production, touch panel content production, SNS marketing and promotion, video production, graphic design, etc.
Other incidental business

Corporate Homepage: https://www.jjss.co.jp/

We are a professional group that supports strategic marketing and operational efficiency for client companies by utilizing the latest Information and Communication Technology (ICT) and outstanding trend analysis capabilities.
Our role is to shape our customers' "thoughts". We respond to all requests in a one-stop manner, such as "want to increase company awareness", "want to expand services", "want to appeal product charm", "want to operate business smoothly", and help develop our customers' business.

■ About Leach Inc.

Company Name: Leach Inc.
Location: Hamamatsucho Dia Bldg 2F, 2-2-15 Hamamatsucho, Minato-ku, Tokyo
Representative: CEO Takuya Tominaga
Established: November 13, 2024
Business Content: Software development and sales of computer systems
Other incidental business

Corporate Homepage: https://leach.co.jp
X: https://x.com/LeachJapan
YouTube: https://www.youtube.com/@leachinc

Established by engineers who acquired 12 AWS certifications in one month, we develop Web services and apps with unique ideas. We aim to "deliver unique products that naturally blend into daily life into the hands of customers". Leach stays close to daily life and creates new value.

We develop in a one-stop manner from requirement definition, operation, implementation, etc., so please feel free to contact us anytime.

Contact Information

Leach Inc. PR: Tominaga
Hamamatsucho Dia Bldg 2F, 2-2-15 Hamamatsucho, Minato-ku, Tokyo 105-0013
e-mail: [email protected]