Azure Cost Estimate: static-webapp-test

This workload is an internal tool for workflow validation testing. The architecture intentionally optimizes for cost while meeting the stated 99.9% availability target for a non-critical internal app.

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Azure Cost Estimate: static-webapp-test

Generated: 2026-01-12 Region: swedencentral (Sweden Central) Environment: Development MCP Tools Used: azure_price_search Architecture Reference: Architecture Assessment

💰 Cost At-a-Glance

Monthly Total: ~$15 | Annual: ~$180
Budget: $50/month (soft) | Utilization: 30% (~$15 of $50)
Status Indicator

Cost Trend ➡️ Stable

Savings Available 💰 $0/year (already using free tiers)

Compliance ✅ None (internal tool)

✅ Decision Summary

✅ Approved: Single-region, cost-optimized dev/test workload; keep SWA/Functions on free tiers
⏳ Deferred: Private endpoints, multi-region DR, dedicated always-warm compute
🔁 Redesign Trigger: If this becomes production-critical or traffic increases materially, SQL tier and SWA tier change

Confidence: Medium | Expected Variance: ±25% (SQL tier/usage and logs are the primary uncertainty)

🔁 Requirements → Cost Mapping

Requirement	Architecture Decision	Cost Impact	Mandatory
Internal tool, low criticality	Single region	Baseline	Yes
~$50/month soft budget	SWA Free + Functions Consumption	-$9/month 📉	Yes
Basic availability target	SQL S0 baseline + alerts	Baseline	Yes

📊 Top 5 Cost Drivers

Rank	Resource	Monthly Cost	% of Total	Trend
1️⃣	Azure SQL Database (S0)	$14.52	99%	➡️
2️⃣	Azure Monitor alert rules (x2)	$0.20	1%	➡️
3️⃣	Azure Static Web Apps (Free)	$0.00	0%	➡️
4️⃣	Azure Functions (Consumption, integrated)	$0.00	0%	➡️
5️⃣	Application Insights / Log Analytics (<5 GB)	$0.00	0%	➡️

💡 Quick Win: If usage is sporadic, evaluate Azure SQL serverless to reduce idle-time spend.

Summary

Metric	Value
💵 Monthly Estimate	$15 - $18
📅 Annual Estimate	$180 - $216
🌍 Primary Region	swedencentral
💳 Pricing Type	List Price (PAYG)
⭐ WAF Score	7.2/10 (avg of pillar scores)
🎯 Target Users	10 concurrent

Business Context

This workload is an internal tool for workflow validation testing. The architecture intentionally optimizes for cost while meeting the stated 99.9% availability target for a non-critical internal app.

Architecture Overview

Cost Distribution

%%{init: {'theme':'base','themeVariables':{pie1:'#0078D4',pie2:'#107C10',pie3:'#5C2D91',pie4:'#D83B01',pie5:'#FFB900'}}}%%
pie showData
    title Monthly Cost Distribution ($)
    "💾 Data Services" : 14.52
    "🔐 Security/Mgmt" : 0.20

Key Design Decisions Affecting Cost

Decision	Cost Impact	Business Rationale	Status
Static Web Apps Free tier	-$9/month 📉	Stay within $50 budget for dev/test	Required
SQL Database S0 (10 DTU)	Baseline	Lowest managed SQL tier for light usage	Required
No private endpoints	-$7.30/endpoint 📉	Public endpoints acceptable for internal tool	Accepted
Single region deployment	Baseline	DR not required; cost-optimized	Required

🧾 What We Are Not Paying For (Yet)

Multi-region DR (active-active or warm standby)
Private endpoints for PaaS services
Dedicated always-warm compute for Functions
Higher SQL tier for sustained throughput

⚠️ Cost Risk Indicators

Resource	Risk Level	Issue	Mitigation
Azure SQL Database S0	🟡 Medium	DTU saturation may require tier upgrade	Alert on DTU > 80%, review monthly
Log ingestion	🟡 Medium	Exceeding free ingestion increases cost	Cap verbosity; set retention targets
Data egress	🟢 Low	Low expected egress for internal users	Monitor monthly egress

⚠️ Watch Item: If transactions/day grows beyond projections, SQL tier upgrades become the primary cost driver.

🎯 Quick Decision Matrix

"If you need X, expect to pay Y more"

Requirement	Additional Cost	SKU Change	Notes
Production-ready SWA features	+$9/month	Static Web Apps: Free -> Standard	Staging/enterprise features
Higher DB throughput	+$15/month (est.)	SQL: S0 -> S1	Use when DTU is consistently high
Dedicated / always-warm compute	+$120/month (est.)	Functions: Consumption -> Premium	Avoid for this budget unless required

🧩 Change Control

Change Request	Delta	Notes
Promote to production (SWA Standard)	+$9/month	Enables production SWA features
Upgrade DB tier (S0 -> S1)	+$15/month (est.)	Triggered by sustained DTU saturation
Dedicated compute (Functions Premium)	+$120/month (est.)	Only if strict latency/always-warm required

💰 Savings Opportunities

Total Potential Savings: $0/year

This design already uses free/lowest tiers aligned to the requirements.

Additional Optimization Strategies

Strategy	Potential Savings	Effort	Notes
Keep SWA on Free for dev/test	$9/month	🟢 Low	Upgrade only if production features are needed
Reduce log ingestion	Variable	🟡 Medium	Avoid verbose logs; tune sampling
Evaluate SQL serverless (if idle-heavy)	Variable	🟡 Medium	Only beneficial if workload is frequently idle

Detailed Cost Breakdown

💻 Compute Services

Resource	SKU	Qty	$/Hour	$/Month	Notes
Static Web Apps	Free	1	-	$0.00	Pricing not returned for Free tier via MCP query
Azure Functions	Consumption	1	-	$0.00	Integrated with SWA; usage expected to stay in free grants

💻 Compute Subtotal: ~$0.00/month

💾 Data Services

Resource	SKU	Config	$/Unit	$/Month	Notes
Azure SQL Database	S0 (10 DTU)	Single DB	$0.4839/day	$14.52	$0.4839 * 30 days (MCP)

💾 Data Subtotal: ~$14.52/month

🔐 Security/Management

Resource	SKU	Config	$/Unit	$/Month	Notes
Azure Monitor	Alerts	2 rules	$0.10/month	$0.20	MCP shows multiple alert prices; using $0.10/rule estimate

🔐 Security/Management Subtotal: ~$0.20/month

📋 Monthly Cost Summary

Category	Monthly Cost	% of Total	Trend
💻 Compute	$0.00	0%	➡️
💾 Data Services	$14.52	99%	➡️
🔐 Security/Mgmt	$0.20	1%	➡️
Total	~$14.72	100%

Cost Distribution:
💾 Data         ████████████████████████████████████████░░ 99%
🔐 Sec/Mgmt     █░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░  1%
💻 Compute      ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░  0%

🧮 Base Run Cost vs Growth-Variable Cost

Cost Type	Drivers	Examples	How It Scales
Base run	fixed SKUs	SQL S0	step-changes (tier upgrades)
Growth-variable	usage-based	logs, alerting, egress	increases with users/traffic

🌍 Regional Comparison

Region	SQL S0 Cost	vs. Primary	Data Residency	Recommendation
swedencentral	$14.52/mo	Baseline	EU (Sweden) ✅	Selected
germanywestcentral	$14.52/mo	+0.0%	EU (Germany)	Alternative EU option
westeurope	$14.52/mo	+0.0%	EU (Netherlands)	Alternative EU option
eastus	$14.52/mo	+0.0%	US	Lowest-latency for US-only users

💡 Decision: swedencentral selected for EU preference and default region standards.

🔧 Environment Strategy (FinOps)

Production: Not applicable (design is dev/test).
Non-prod: Keep SWA/Functions on free tiers; only upgrade SQL tier when DTU saturation persists.

🔄 Environment Cost Comparison

Environment	Monthly Cost	vs. Dev	Notes
Development	$14.72	Baseline	Free/lowest tiers
Staging	$14.72	0%	Same footprint (single environment pattern)
Production (if upgraded)	~$23.72	+61%	SWA Standard (+$9)

🛡️ Cost Guardrails

Guardrail	Threshold	Action
Budget alert	80% / 100% of $50	Notify / require approval to upgrade tiers
SQL DTU utilization	>80% sustained	Evaluate S0 -> S1 or serverless
Log ingestion	>1 GB/week	Tune verbosity, sampling, and retention
Data egress	>50 GB/month	Investigate caching/CDN and traffic sources

📝 Testable Assumptions

Assumption	Why It Matters	How to Measure	Threshold / Trigger
Logs <= 5 GB/month	avoids ingestion costs	Log Analytics usage	>5 GB/month
SQL S0 sufficient	prevents tier upgrade	SQL DTU metrics	>80% sustained
Low egress	keeps networking costs low	Azure Cost Mgmt	>50 GB/month

📝 Assumptions

SQL billing basis: $0.4839/day for SQL Database S0 in swedencentral (MCP) x 30 days
Alerting: 2 alert rules at ~$0.10/month each (estimate; MCP returned multiple alert prices)
Logs: assumed <= 5 GB/month to stay within common free grants
Usage: 730 hours/month for always-on services
Prices queried: 2026-01-12 via Azure Pricing MCP
Pricing: Azure retail list prices (pay-as-you-go)

📊 Pricing Data Accuracy

📊 Data Source: Prices retrieved from Azure Retail Prices API via Azure Pricing MCP

✅ Included: Retail list prices (PAYG)

❌ Not Included: EA discounts, CSP pricing, negotiated rates, Azure Hybrid Benefit

💡 For official quotes, validate with the Azure Pricing Calculator

🔗 References

---name: azure-cost-estimate-static-webapp-testdescription: This workload is an internal tool for workflow validation testing. The architecture intentionally optimizes for cost while meeting the stated 99.9% availability target for a non-critical internal app.---# Azure Cost Estimate: static-webapp-test**Generated**: 2026-01-12**Region**: swedencentral (Sweden Central)**Environment**: Development**MCP Tools Used**: azure_price_search**Architecture Reference**: [Architecture Assessment](./02-architecture-assessment.md)---## 💰 Cost At-a-Glance> **Monthly Total: ~$15** | Annual: ~$180>> ```> Budget: $50/month (soft) | Utilization: 30% (~$15 of $50)> ```>> | Status | Indicator |> | ----------------- | ------------------------------------- |> | Cost Trend | ➡️ Stable |> | Savings Available | 💰 $0/year (already using free tiers) |> | Compliance | ✅ None (internal tool) |---## ✅ Decision Summary- ✅ Approved: Single-region, cost-optimized dev/test workload; keep SWA/Functions on free tiers- ⏳ Deferred: Private endpoints, multi-region DR, dedicated always-warm compute- 🔁 Redesign Trigger: If this becomes production-critical or traffic increases materially, SQL tier and SWA tier change**Confidence**: Medium | **Expected Variance**: ±25% (SQL tier/usage and logs are the primary uncertainty)---## 🔁 Requirements → Cost Mapping| Requirement | Architecture Decision | Cost Impact | Mandatory || ------------------------------ | -------------------------------- | ------------ | --------- || Internal tool, low criticality | Single region | Baseline | Yes || ~$50/month soft budget | SWA Free + Functions Consumption | -$9/month 📉 | Yes || Basic availability target | SQL S0 baseline + alerts | Baseline | Yes |## 📊 Top 5 Cost Drivers| Rank | Resource | Monthly Cost | % of Total | Trend || ---- | -------------------------------------------- | ------------ | ---------- | ----- || 1️⃣ | Azure SQL Database (S0) | $14.52 | 99% | ➡️ || 2️⃣ | Azure Monitor alert rules (x2) | $0.20 | 1% | ➡️ || 3️⃣ | Azure Static Web Apps (Free) | $0.00 | 0% | ➡️ || 4️⃣ | Azure Functions (Consumption, integrated) | $0.00 | 0% | ➡️ || 5️⃣ | Application Insights / Log Analytics (<5 GB) | $0.00 | 0% | ➡️ |> 💡 **Quick Win**: If usage is sporadic, evaluate Azure SQL serverless to reduce idle-time spend.---## Summary| Metric | Value || ------------------- | ----------------------------- || 💵 Monthly Estimate | $15 - $18 || 📅 Annual Estimate | $180 - $216 || 🌍 Primary Region | swedencentral || 💳 Pricing Type | List Price (PAYG) || ⭐ WAF Score | 7.2/10 (avg of pillar scores) || 🎯 Target Users | 10 concurrent |### Business ContextThis workload is an internal tool for workflow validation testing.The architecture intentionally optimizes for cost while meeting the stated 99.9% availability target for anon-critical internal app.---## Architecture Overview### Cost Distribution```mermaid%%{init: {'theme':'base','themeVariables':{pie1:'#0078D4',pie2:'#107C10',pie3:'#5C2D91',pie4:'#D83B01',pie5:'#FFB900'}}}%%pie showData title Monthly Cost Distribution ($) "💾 Data Services" : 14.52 "🔐 Security/Mgmt" : 0.20```### Key Design Decisions Affecting Cost| Decision | Cost Impact | Business Rationale | Status || ------------------------- | ------------------ | --------------------------------------------- | -------- || Static Web Apps Free tier | -$9/month 📉 | Stay within $50 budget for dev/test | Required || SQL Database S0 (10 DTU) | Baseline | Lowest managed SQL tier for light usage | Required || No private endpoints | -$7.30/endpoint 📉 | Public endpoints acceptable for internal tool | Accepted || Single region deployment | Baseline | DR not required; cost-optimized | Required |---## 🧾 What We Are Not Paying For (Yet)- Multi-region DR (active-active or warm standby)- Private endpoints for PaaS services- Dedicated always-warm compute for Functions- Higher SQL tier for sustained throughput---## ⚠️ Cost Risk Indicators| Resource | Risk Level | Issue | Mitigation || --------------------- | ---------- | --------------------------------------- | ------------------------------------ || Azure SQL Database S0 | 🟡 Medium | DTU saturation may require tier upgrade | Alert on DTU > 80%, review monthly || Log ingestion | 🟡 Medium | Exceeding free ingestion increases cost | Cap verbosity; set retention targets || Data egress | 🟢 Low | Low expected egress for internal users | Monitor monthly egress |> **⚠️ Watch Item**: If transactions/day grows beyond projections, SQL tier upgrades become the primary cost driver.---## 🎯 Quick Decision Matrix_"If you need X, expect to pay Y more"_| Requirement | Additional Cost | SKU Change | Notes || ------------------------------- | ------------------ | --------------------------------- | ------------------------------------- || Production-ready SWA features | +$9/month | Static Web Apps: Free -> Standard | Staging/enterprise features || Higher DB throughput | +$15/month (est.) | SQL: S0 -> S1 | Use when DTU is consistently high || Dedicated / always-warm compute | +$120/month (est.) | Functions: Consumption -> Premium | Avoid for this budget unless required |---## 🧩 Change Control| Change Request | Delta | Notes || ------------------------------------- | ------------------ | ------------------------------------------- || Promote to production (SWA Standard) | +$9/month | Enables production SWA features || Upgrade DB tier (S0 -> S1) | +$15/month (est.) | Triggered by sustained DTU saturation || Dedicated compute (Functions Premium) | +$120/month (est.) | Only if strict latency/always-warm required |---## 💰 Savings Opportunities> ### Total Potential Savings: $0/year>> This design already uses free/lowest tiers aligned to the requirements.### Additional Optimization Strategies| Strategy | Potential Savings | Effort | Notes || --------------------------------------- | ----------------- | --------- | ---------------------------------------------- || Keep SWA on Free for dev/test | $9/month | 🟢 Low | Upgrade only if production features are needed || Reduce log ingestion | Variable | 🟡 Medium | Avoid verbose logs; tune sampling || Evaluate SQL serverless (if idle-heavy) | Variable | 🟡 Medium | Only beneficial if workload is frequently idle |---## Detailed Cost Breakdown### 💻 Compute Services| Resource | SKU | Qty | $/Hour | $/Month | Notes || --------------- | ----------- | --- | ------ | ------- | ---------------------------------------------------------- || Static Web Apps | Free | 1 | - | $0.00 | Pricing not returned for Free tier via MCP query || Azure Functions | Consumption | 1 | - | $0.00 | Integrated with SWA; usage expected to stay in free grants |**💻 Compute Subtotal**: ~$0.00/month### 💾 Data Services| Resource | SKU | Config | $/Unit | $/Month | Notes || ------------------ | ----------- | --------- | ----------- | ------- | ------------------------ || Azure SQL Database | S0 (10 DTU) | Single DB | $0.4839/day | $14.52 | $0.4839 \* 30 days (MCP) |**💾 Data Subtotal**: ~$14.52/month### 🔐 Security/Management| Resource | SKU | Config | $/Unit | $/Month | Notes || ------------- | ------ | ------- | ----------- | ------- | ---------------------------------------------------------- || Azure Monitor | Alerts | 2 rules | $0.10/month | $0.20 | MCP shows multiple alert prices; using $0.10/rule estimate |**🔐 Security/Management Subtotal**: ~$0.20/month---## 📋 Monthly Cost Summary| Category | Monthly Cost | % of Total | Trend || ---------------- | ------------ | ---------- | ----- || 💻 Compute | $0.00 | 0% | ➡️ || 💾 Data Services | $14.52 | 99% | ➡️ || 🔐 Security/Mgmt | $0.20 | 1% | ➡️ || **Total** | **~$14.72** | 100% | |```Cost Distribution:💾 Data ████████████████████████████████████████░░ 99%🔐 Sec/Mgmt █░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ 1%💻 Compute ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ 0%```---## 🧮 Base Run Cost vs Growth-Variable Cost| Cost Type | Drivers | Examples | How It Scales || --------------- | ----------- | ---------------------- | ---------------------------- || Base run | fixed SKUs | SQL S0 | step-changes (tier upgrades) || Growth-variable | usage-based | logs, alerting, egress | increases with users/traffic |---## 🌍 Regional Comparison| Region | SQL S0 Cost | vs. Primary | Data Residency | Recommendation || ------------------ | ----------- | ----------- | ---------------- | -------------------------------- || swedencentral | $14.52/mo | Baseline | EU (Sweden) ✅ | **Selected** || germanywestcentral | $14.52/mo | +0.0% | EU (Germany) | Alternative EU option || westeurope | $14.52/mo | +0.0% | EU (Netherlands) | Alternative EU option || eastus | $14.52/mo | +0.0% | US | Lowest-latency for US-only users |> 💡 **Decision**: swedencentral selected for EU preference and default region standards.---## 🔧 Environment Strategy (FinOps)- Production: Not applicable (design is dev/test).- Non-prod: Keep SWA/Functions on free tiers; only upgrade SQL tier when DTU saturation persists.---## 🔄 Environment Cost Comparison| Environment | Monthly Cost | vs. Dev | Notes || ------------------------ | ------------ | -------- | ------------------------------------------- || Development | $14.72 | Baseline | Free/lowest tiers || Staging | $14.72 | 0% | Same footprint (single environment pattern) || Production (if upgraded) | ~$23.72 | +61% | SWA Standard (+$9) |---## 🛡️ Cost Guardrails| Guardrail | Threshold | Action || ------------------- | ----------------- | ------------------------------------------- || Budget alert | 80% / 100% of $50 | Notify / require approval to upgrade tiers || SQL DTU utilization | >80% sustained | Evaluate S0 -> S1 or serverless || Log ingestion | >1 GB/week | Tune verbosity, sampling, and retention || Data egress | >50 GB/month | Investigate caching/CDN and traffic sources |---## 📝 Testable Assumptions| Assumption | Why It Matters | How to Measure | Threshold / Trigger || ------------------ | -------------------------- | ------------------- | ------------------- || Logs <= 5 GB/month | avoids ingestion costs | Log Analytics usage | >5 GB/month || SQL S0 sufficient | prevents tier upgrade | SQL DTU metrics | >80% sustained || Low egress | keeps networking costs low | Azure Cost Mgmt | >50 GB/month |---## 📝 Assumptions- **SQL billing basis**: $0.4839/day for SQL Database S0 in swedencentral (MCP) x 30 days- **Alerting**: 2 alert rules at ~$0.10/month each (estimate; MCP returned multiple alert prices)- **Logs**: assumed <= 5 GB/month to stay within common free grants- **Usage**: 730 hours/month for always-on services- **Prices queried**: 2026-01-12 via Azure Pricing MCP- **Pricing**: Azure retail list prices (pay-as-you-go)---## 📊 Pricing Data Accuracy> **📊 Data Source**: Prices retrieved from Azure Retail Prices API via Azure Pricing MCP>> ✅ **Included**: Retail list prices (PAYG)>> ❌ **Not Included**: EA discounts, CSP pricing, negotiated rates, Azure Hybrid Benefit>> 💡 For official quotes, validate with the Azure Pricing Calculator---## 🔗 References- [Azure Pricing Calculator](https://azure.microsoft.com/pricing/calculator/)- [Azure Retail Prices API](https://learn.microsoft.com/en-us/rest/api/cost-management/retail-prices/azure-retail-prices)- [Architecture Assessment](./02-architecture-assessment.md)

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