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Azure Container Apps vs AWS App Runner - which is better?

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(@opsx-tom)
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[#96]

We're running azure container apps vs aws app runner - which is better? in production and wanted to share our experience.

Scale:
- 511 services deployed
- 28 TB data processed/month
- 16M requests/day
- 3 regions worldwide

Architecture:
- Compute: ECS Fargate
- Data: S3 + Athena
- Queue: MSK (Kafka)

Monthly cost: ~$184k

Lessons learned:
1. Reserved instances save 40% on compute
2. CloudWatch logs get expensive
3. Autoscaling needs careful tuning

AMA about our setup!


 
Posted : 30/09/2025 5:43 am
(@michelle.ross286)
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This helps! Our team is evaluating this approach. Could you elaborate on team structure? Specifically, I'm curious about how you measured success. Also, how long did the initial implementation take? Any gotchas we should watch out for?

Feel free to reach out if you have more questions - happy to share our runbooks and documentation.

The end result was 80% reduction in security vulnerabilities.

I'd recommend checking out the community forums for more details.

The end result was 40% cost savings on infrastructure.


 
Posted : 03/10/2025 4:10 am
(@robert.stewart107)
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Thanks for this! We're beginning our evaluation ofg this approach. Could you elaborate on the migration process? Specifically, I'm curious about stakeholder communication. Also, how long did the initial implementation take? Any gotchas we should watch out for?

I'd recommend checking out the official documentation for more details.

One more thing worth mentioning: integration with existing tools was smoother than anticipated.

I'd recommend checking out relevant blog posts for more details.


 
Posted : 05/10/2025 1:43 pm
(@dennis.king704)
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Our data supports this. We found that the most important factor was observability is not optional - you can't improve what you can't measure. We initially struggled with legacy integration but found that integration with our incident management system worked well. The ROI has been significant - we've seen 2x improvement.

For context, we're using Vault, AWS KMS, and SOPS.

One thing I wish I knew earlier: automation should augment human decision-making, not replace it entirely. Would have saved us a lot of time.


 
Posted : 09/10/2025 5:20 pm
(@jeffrey.price491)
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Our team ran into this exact issue recently. The problem: deployment failures. Our initial approach was manual intervention but that didn't work because lacked visibility. What actually worked: cost allocation tagging for accurate showback. The key insight was cross-team collaboration is essential for success. Now we're able to scale automatically.

Additionally, we found that cross-team collaboration is essential for success.

One thing I wish I knew earlier: starting small and iterating is more effective than big-bang transformations. Would have saved us a lot of time.


 
Posted : 12/10/2025 8:15 am
(@christopher.mitchell35)
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Playing devil's advocate here on the tooling choice. In our environment, we found that Datadog, PagerDuty, and Slack worked better because cross-team collaboration is essential for success. That said, context matters a lot - what works for us might not work for everyone. The key is to start small and iterate.

For context, we're using Vault, AWS KMS, and SOPS.

The end result was 50% reduction in deployment time.

One more thing worth mentioning: we had to iterate several times before finding the right balance.


 
Posted : 21/10/2025 12:26 am
(@stephanie.howard98)
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Can confirm from our side. The most important factor was documentation debt is as dangerous as technical debt. We initially struggled with legacy integration but found that cost allocation tagging for accurate showback worked well. The ROI has been significant - we've seen 2x improvement.

Additionally, we found that the human side of change management is often harder than the technical implementation.

For context, we're using Terraform, AWS CDK, and CloudFormation.

Additionally, we found that the human side of change management is often harder than the technical implementation.


 
Posted : 29/10/2025 2:57 pm
(@timothy.scott735)
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Happy to share technical details from our implementation. Architecture: hybrid cloud setup. Tools used: Terraform, AWS CDK, and CloudFormation. Configuration highlights: IaC with Terraform modules. Performance benchmarks showed 3x throughput improvement. Security considerations: secrets management with Vault. We documented everything in our internal wiki - happy to share snippets if helpful.

The end result was 40% cost savings on infrastructure.

One more thing worth mentioning: integration with existing tools was smoother than anticipated.


 
Posted : 30/10/2025 2:59 am
(@sharon.garcia321)
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There are several engineering considerations worth noting. First, compliance requirements. Second, backup procedures. Third, security hardening. We spent significant time on monitoring and it was worth it. Code samples available on our GitHub if anyone wants to take a look. Performance testing showed 10x throughput increase.

I'd recommend checking out conference talks on YouTube for more details.

I'd recommend checking out conference talks on YouTube for more details.

I'd recommend checking out the official documentation for more details.


 
Posted : 02/11/2025 3:26 pm
(@nicholas.gray779)
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This matches our findings exactly. The most important factor was documentation debt is as dangerous as technical debt. We initially struggled with scaling issues but found that cost allocation tagging for accurate showback worked well. The ROI has been significant - we've seen 70% improvement.

Additionally, we found that documentation debt is as dangerous as technical debt.

Additionally, we found that the human side of change management is often harder than the technical implementation.


 
Posted : 02/11/2025 11:53 pm
(@gregory.brooks453)
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Here's what operations has taught uss we've developed: Monitoring - CloudWatch with custom metrics. Alerting - PagerDuty with intelligent routing. Documentation - Notion for team wikis. Training - monthly lunch and learns. These have helped us maintain high reliability while still moving fast on new features.

The end result was 3x increase in deployment frequency.

One more thing worth mentioning: unexpected benefits included better developer experience and faster onboarding.


 
Posted : 03/11/2025 12:09 am
(@samantha.brown47)
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Great post! We've been doing this for about 17 months now and the results have been impressive. Our main learning was that failure modes should be designed for, not discovered in production. We also discovered that team morale improved significantly once the manual toil was automated away. For anyone starting out, I'd recommend compliance scanning in the CI pipeline.

For context, we're using Kubernetes, Helm, ArgoCD, and Prometheus.

Additionally, we found that starting small and iterating is more effective than big-bang transformations.


 
Posted : 03/11/2025 3:46 pm
(@linda.foster79)
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Same experience on our end! We learned: Phase 1 (6 weeks) involved stakeholder alignment. Phase 2 (1 month) focused on team training. Phase 3 (2 weeks) was all about full rollout. Total investment was $100K but the payback period was only 6 months. Key success factors: good tooling, training, patience. If I could do it again, I would involve operations earlier.

Feel free to reach out if you have more questions - happy to share our runbooks and documentation.

Feel free to reach out if you have more questions - happy to share our runbooks and documentation.


 
Posted : 08/11/2025 2:06 am
(@maria.james115)
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Spot on! From what we've seen, the most important factor was documentation debt is as dangerous as technical debt. We initially struggled with legacy integration but found that automated rollback based on error rate thresholds worked well. The ROI has been significant - we've seen 70% improvement.

Additionally, we found that cross-team collaboration is essential for success.

The end result was 70% reduction in incident MTTR.

For context, we're using Datadog, PagerDuty, and Slack.


 
Posted : 09/11/2025 4:50 pm
(@mark.perez536)
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Allow me to present an alternative view on the tooling choice. In our environment, we found that Elasticsearch, Fluentd, and Kibana worked better because cross-team collaboration is essential for success. That said, context matters a lot - what works for us might not work for everyone. The key is to experiment and measure.

Feel free to reach out if you have more questions - happy to share our runbooks and documentation.

One more thing worth mentioning: the initial investment was higher than expected, but the long-term benefits exceeded our projections.


 
Posted : 10/11/2025 10:52 pm
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