feat(bun): upgrade to bun, reduce docker image size by 95%, upgrade docs & ci (#371)

* migrate to bun

* added envvars to drizzle

* upgrade bun devcontainer feature to a valid one

* added bun, docker not working

* updated envvars, updated to bunder and esnext modules

* fixed build, reinstated otel

* feat: optimized multi-stage docker images

* add coerce for boolean envvar

* feat: add docker-compose configuration for local LLM services and remove legacy Dockerfile and entrypoint script

* feat: add docker-compose files for local and production environments, and implement GitHub Actions for Docker image build and publish

* refactor: remove unused generateStaticParams function from various API routes and maintain dynamic rendering

* cleanup

* upgraded bun

* updated ci

* fixed build

---------

Co-authored-by: Aditya Tripathi <aditya@climactic.co>

apps/sim/.env.example

@@ -0,0 +1,31 @@
+# Database (Required)
+DATABASE_URL="postgresql://postgres:password@localhost:5432/postgres"
+
+# Authentication (Required)
+BETTER_AUTH_SECRET=your_secret_key  # Use `openssl rand -hex 32` to generate, or visit https://www.better-auth.com/docs/installation
+BETTER_AUTH_URL=http://localhost:3000
+
+## Security (Required)
+ENCRYPTION_KEY=your_encryption_key  # Use `openssl rand -hex 32` to generate
+
+# Email Provider (Optional)
+# RESEND_API_KEY=  # Uncomment and add your key from https://resend.com to send actual emails
+                   # If left commented out, emails will be logged to console instead
+
+# Freestyle API Key (Required for sandboxed code execution for functions/custom-tools)
+# FREESTYLE_API_KEY= # Uncomment and add your key from https://docs.freestyle.sh/Getting-Started/run
+
+# S3 Storage Configuration (Optional)
+# Set USE_S3=true to enable S3 storage in development
+# USE_S3=true
+
+# AWS Credentials (Required when USE_S3=true)
+# AWS_ACCESS_KEY_ID=your-access-key-id
+# AWS_SECRET_ACCESS_KEY=your-secret-access-key
+
+# S3 Configuration (Required when USE_S3=true)
+# S3_BUCKET_NAME=your-bucket-name
+# AWS_REGION=us-east-1
+
+# Optional: Custom S3 Base URL (for custom domains or non-AWS S3-compatible storage)
+# S3_BASE_URL=https://your-custom-domain.com