初心者向けチュートリアル：n8nを使ってAzure StorageアカウントのコンテナとBlobを管理

• •OpenAI API Key

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        "content": "# Beginner’s Tutorial: Manage Azure Storage Account Container & Blob with n8n\n[![Watch the video](https://wisestackai.s3.ap-southeast-1.amazonaws.com/Modern+Top+10+Shocking+Moments+Youtube+Thumbnail.jpg)](https://www.youtube.com/watch?v=vh06fpMkalw)\n> This beginner-friendly n8n workflow shows you how to generate AI images using OpenAI, store them in Azure Blob Storage, and manage blob containers, all with zero code.\n\n## 👤 Who’s it for\n\nThis workflow is perfect for:\n- **Beginners learning Azure + OpenAI integration**\n- **No-code developers** experimenting with image generation\n- **Cloud learners** who want hands-on Blob Storage use cases\n- Anyone who wants to automate storing AI-generated content in the cloud\n\n## ⚙️ How it works / What it does\n\n1. 🖱️ Trigger the workflow manually using the `Execute Workflow` node.\n2. ✏️ Use the `Edit Fields` node to input:\n   - `containerName` (e.g., `demo-images`)\n   - `imageIdea` (e.g., \"a robot holding a coffee cup\")\n3. 📦 Create a new Azure Blob container (`Create container`).\n4. 🤖 Use an OpenAI-powered **Prompt Generation Agent** to craft the perfect image prompt.\n5. 🎨 Generate an image using OpenAI’s DALL·E model.\n6. ☁️ Upload the generated image to Azure Blob Storage (`Create Blob`).\n7. 📂 List blobs in the container (`Get many blobs`).\n8. 🧹 Delete any blob as needed (`Delete Blob`).\n9. (Optional) 🗑️ Remove the entire container (`Delete container`).\n\n## 🔧 How to set up\n\n1. **🧠 Set up OpenAI**\n   - Create an OpenAI account and get your API key.\n   - In n8n, go to **Credentials → OpenAI** and paste your key.\n\n2. **🪣 Set up Azure Blob Storage**\n   - Log in to your Azure Portal.\n   - Create a **Storage Account** (e.g., `mystorageaccount`).\n   - Go to **Access Keys** tab and copy:\n     - **Storage Account Name**\n     - **Key1**\n   - In n8n, create a new **Azure Blob Storage Credential** using:\n     - **Account Name** = your storage account name\n     - **Access Key** = key1 value\n\n   > 📝 This demo uses **Access Key** authentication. You can also configure Shared Access Signatures (SAS) or OAuth in production setups.\n\n3. **Run the Workflow**\n   - Enter your image idea and container name.\n   - Click “Execute Workflow” to test it.\n\n## 📋 Requirements\n\n| Requirement            | Description                                      |\n|------------------------|--------------------------------------------------|\n| Azure Storage Account  | With container-level read/write access          |\n| OpenAI API Key         | For image and prompt generation                 |\n| n8n Version            | v1.0+ recommended                               |\n| Image Credits          | OpenAI charges tokens for DALL·E image creation |\n\n\n## 🛠️ How to customize the workflow\n\n### 🧠 Adjust Prompt Generation\nUpdate the **Prompt Agent** to include:\n- Specific style (3D, anime, cyberpunk)\n- Brand elements\n- Multiple language options\n\n### 📁 Organize by Date/User\nModify the `containerName` to auto-include:\n- Date (e.g., `images-2025-08-20`)\n- Username or session ID\n\n### 📤 Send Image Output\n- Add Slack, Telegram, or Email nodes to deliver the image\n- Create public links using Azure’s blob permissions\n\n### 🔁 Cleanup Logic\n- Auto-delete blobs after X days\n- Add versioning or backup logic"
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        "content": "### 1. 🖱️ Trigger the Workflow\n**Node:** `When clicking 'Execute workflow'`  \nThis node allows you to manually start the workflow by clicking the “Execute Workflow” button in n8n. Great for testing or interactive usage."
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        "content": "### 2. ✍️ Input Your Fields\n**Node:** `Edit Fields`  \nThis is where you define inputs like:\n- `containerName`: Name of the Azure Blob container\n\nThe input used in the following steps to dynamically name resources and build prompts."
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        "content": "### 3. 📦 Create Blob Container\n**Node:** `Create container`  \nCreates a new container in your Azure Blob Storage account using the container name you provided. If the container already exists, it will not be duplicated."
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        "content": "### 5. 🎨 Generate the Image\n**Node:** `Generate an image`  \nUses the prompt from the previous step to create an AI-generated image (e.g., via DALL·E). The result is a direct image file output."
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        "content": "### 4. 🤖 Generate AI Prompt\n**Node:** `Prompt Generation Agent`  \nUses OpenAI’s Chat Model to generate a detailed and creative image prompt based on your `imageIdea`. This helps get better and more accurate AI images.\n"
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        "content": "### 6. ☁️ Upload Image to Azure Blob\n**Node:** `Create Blob`  \nUploads the generated image to the Azure Blob container you created. The image is now stored in the cloud and ready to use or share.\n"
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        "content": "### 9. 🗑️ (Optional) Delete the Container\n**Node:** `Delete container`  \nIf needed, you can delete the entire container to clean up your storage environment. Be careful—this deletes all blobs inside."
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        "content": "### 7. 📂 List All Blobs\n**Node:** `Get many blobs`  \nRetrieves all the blobs (files) inside your container so you can review, download, or manage them."
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        "content": "### 8. 🧹 Delete Specific Blob\n**Node:** `Delete Blob`  \nDeletes a specific blob (image) from your container. This step can be made dynamic based on blob name or user choice."
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