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.env.example

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+# =============================================================================
+# OTel BI Platform — master environment reference
+#
+# For Docker Compose: copy to .env in the project root.
+# For local dev: each service reads its own subset — see comments below.
+#
+# POSTGRES_DSN for the Go analytics service is constructed in docker-compose.yml
+# from the individual POSTGRES_* vars below — do not duplicate the password here.
+# =============================================================================
+
+
+# -----------------------------------------------------------------------------
+# PostgreSQL — shared by both backend services
+# Change POSTGRES_PASSWORD here and update it in POSTGRES_DSN below.
+# -----------------------------------------------------------------------------
+POSTGRES_PASSWORD=changeme
+POSTGRES_HOST=postgres
+POSTGRES_PORT=5432
+POSTGRES_DATABASE=otel_bi
+POSTGRES_USERNAME=otel_bi
+POSTGRES_SSLMODE=prefer
+
+
+# -----------------------------------------------------------------------------
+# Go analytics service (otel-bi-analytics)  →  backend/analytics/
+# -----------------------------------------------------------------------------
+
+# MSSQL data warehouses — required
+# sqlserver://user:pass@host:port?database=name&TrustServerCertificate=true&ApplicationIntent=ReadOnly
+AW_MSSQL_DSN=sqlserver://sa:YourStrongPassword123!@host.docker.internal:1433?database=AdventureWorksDW2022&TrustServerCertificate=true&ApplicationIntent=ReadOnly
+WWI_MSSQL_DSN=sqlserver://sa:YourStrongPassword123!@host.docker.internal:1433?database=WideWorldImportersDW&TrustServerCertificate=true&ApplicationIntent=ReadOnly
+
+# POSTGRES_DSN is assembled by docker-compose.yml from the vars above:
+# postgresql://${POSTGRES_USERNAME}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DATABASE}?sslmode=${POSTGRES_SSLMODE}
+# For local dev without Compose, export POSTGRES_DSN manually in your shell.
+
+# HTTP port (default 8080)
+# PORT=8080
+
+# Analytics tuning — all optional
+# DEFAULT_TOP_N=10
+# FORECAST_HORIZON_DAYS=30
+# DEFAULT_HISTORY_DAYS=365
+
+
+# -----------------------------------------------------------------------------
+# Python API (otel-bi-api)  →  backend/
+# -----------------------------------------------------------------------------
+
+# URL of the Go analytics service
+ANALYTICS_SERVICE_URL=http://analytics:8080
+
+# PostgreSQL — reads the individual POSTGRES_* vars defined above
+
+# Comma-separated allowed CORS origins
+CORS_ORIGINS=http://localhost:8080
+
+# JWT validation for incoming browser requests
+# Set false only for local dev — always true in production
+REQUIRE_FRONTEND_AUTH=false
+# FRONTEND_JWT_ISSUER_URL=https://sso.example.com/realms/otel-bi
+# FRONTEND_JWT_AUDIENCE=otel-bi-api
+# FRONTEND_JWT_JWKS_URL=https://sso.example.com/realms/otel-bi/protocol/openid-connect/certs
+# FRONTEND_REQUIRED_SCOPES=openid profile
+
+# OIDC client config — served to the SPA at runtime via GET /api/config
+# NOT baked into the frontend image
+# FRONTEND_OIDC_CLIENT_ID=otel-bi-frontend
+# FRONTEND_OIDC_SCOPE=openid profile email
+
+# Path for generated full-report XLSX + PDF files
+# Mount a PVC here in Kubernetes
+REPORT_OUTPUT_DIR=/reports
+
+APP_ENV=prod
+LOG_LEVEL=INFO
+
+
+# -----------------------------------------------------------------------------
+# Frontend (otel-bi-frontend)  →  frontend/
+# Baked into the image at build time via Docker build-args.
+# In Docker Compose these are passed as build args, not runtime env.
+# For local dev copy frontend/.env.example to frontend/.env.local instead.
+# -----------------------------------------------------------------------------
+VITE_API_BASE_URL=http://localhost:8000
+VITE_OTEL_COLLECTOR_ENDPOINT=http://alloy:4318
+VITE_OTEL_SERVICE_NAME=otel-bi-frontend
+VITE_OTEL_SERVICE_NAMESPACE=final-thesis
+
+
+# -----------------------------------------------------------------------------
+# OpenTelemetry — shared collector endpoint
+# Same value goes to Go analytics, Python API, and frontend build arg above
+# -----------------------------------------------------------------------------
+OTEL_COLLECTOR_ENDPOINT=http://alloy:4318
+OTEL_SERVICE_NAMESPACE=final-thesis