add bitbucket docs

docs/self-hosted/bitbucket.md

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+---
+title: Use Self-Hosted CodeRabbit With Bitbucket Server
+sidebar_label: Bitbucket Server
+description: Instructions to self-host CodeRabbit and integrate it with Bitbucket Server.
+sidebar_position: 4
+---
+
+:::note
+
+The self-hosted option is only available for CodeRabbit Enterprise customers with 500 user seats or more. Please contact [CodeRabbit Sales](mailto:sales@coderabbit.ai) to learn more about the CodeRabbit Enterprise plan.
+
+:::
+
+## Create a Bitbucket User
+
+- **Username**: Set the username to "CodeRabbit" for easier identification (optional).
+- **Profile Image**: Use the CodeRabbitAI logo for the user image (optional).
+
+## Add User to Projects
+
+Add the CodeRabbit user to each project where you want CodeRabbit to post reviews, with permissions to:
+
+- Post reviews
+- Open pull requests
+
+## Create a Personal Access Token for CodeRabbit user
+
+Generate a personal access token for the CodeRabbit user to be added in the `.env` file as `BITBUCKET_SERVER_BOT_TOKEN`.
+
+## Add a webhook to each project
+
+1. **Navigate to Webhook Settings**: Go to the repository settings and locate the webhooks configuration page.
+2. **Configure Events**: Enable the following Pull Request events:
+   - "Opened"
+   - "Modified"
+   - "Comment Added"
+3. **Add Webhook URL**: Enter the URL pointing to the CodeRabbit service, followed by `/bitbucket_server_webhooks` (e.g., `http://127.0.0.1:8080/bitbucket_server_webhooks`).
+
+## Prepare an `.env` file
+
+Create an `.env` file with the following content:
+
+```bash
+# if using OpenAI
+LLM_PROVIDER=openai
+LLM_TIMEOUT=360000
+OPENAI_API_KEYS=<openai-key>
+OPENAI_BASE_URL=[<openai-base-url>]
+OPENAI_ORG_ID=[<openai-org-id>]
+OPENAI_PROJECT_ID=[<openai-project-id>]
+
+# if using Azure OpenAI
+LLM_PROVIDER=azure-openai
+LLM_TIMEOUT=360000
+AZURE_OPENAI_ENDPOINT=<azure-openai-endpoint>
+AZURE_OPENAI_API_KEY=<key>
+AZURE_GPT4OMINI_DEPLOYMENT_NAME=<gpt-4o-mini-deployment-name>
+AZURE_GPT4O_DEPLOYMENT_NAME=<gpt-4o-deployment-name>  # modelVersion: 2024-08-06
+AZURE_O1_MINI_DEPLOYMENT_NAME=[<o1-mini-deployment-name>]  # Optional
+AZURE_O1_DEPLOYMENT_NAME=[<o1-preview-deployment-name>]  # Optional: Provides best reviews but very expensive
+AZURE_GPT4TURBO_DEPLOYMENT_NAME=[<gpt-4-turbo-deployment-name>]  # Optional: modelVersion: turbo-2024-04-09
+
+# System Configuration
+TEMP_PATH=/cache
+AST_GREP_RULES_PATH=/home/jailuser/ast-grep-rules
+AST_GREP_ESSENTIALS=ast-grep-essentials
+SELF_HOSTED=bitbucket-server
+BITBUCKET_SERVER_URL=<bitbucket-server-url>/rest
+BITBUCKET_SERVER_WEBHOOK_SECRET=<webhook-secret>
+BITBUCKET_SERVER_BOT_TOKEN=<personal-access-token>
+BITBUCKET_SERVER_BOT_USERNAME=<bot-user-username>
+CODERABBIT_LICENSE_KEY=<license-key>
+CODERABBIT_API_KEY=[<coderabbitai-api-key>]
+
+# Optional Features
+ENABLE_LEARNINGS=[true]
+ENABLE_METRICS=[true]
+JIRA_HOST=[<jira-host-url>]
+JIRA_PAT=[<jira-personal-access-token>]
+LINEAR_PAT=[<linear-personal-access-token>]
+```
+
+:::note
+
+- If you are using Azure OpenAI, verify that the model deployment names are in the .env file.
+Values marked with [] are optional and can be omitted if the feature is not needed.
+- You can generate `CODERABBIT_API_KEY` from CodeRabbit UI -> Organizations Settings -> API Keys.
+
+:::
+
+## Pull the CodeRabbit Docker image
+
+Authenticate and pull the Docker image using the provided credentials file:
+
+```bash
+cat coderabbit.json | docker login -u _json_key --password-stdin us-docker.pkg.dev
+docker pull us-docker.pkg.dev/coderabbitprod/self-hosted/coderabbit-agent:latest
+```
+
+### Verify the image is up
+
+You can query `/health` endpoint to verify that the coderabbit-agent service is up and running.
+
+```bash
+curl 127.0.0.1:8080/health
+```
+
+## Host the image
+
+You can host the image on a server, serverless function, or container environment and expose port `8080`. Run the Docker image with the equivalent command on your chosen platform, ensuring you replace the `.env` file path with the path to your actual `.env` file:
+
+```bash
+docker run --env-file .env --publish 127.0.0.1:8080:8080 us-docker.pkg.dev/coderabbitprod/self-hosted/coderabbit-agent:latest
+```