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> Day 30: The final retrospective - from zero to MRR
Day 30 of 30. We made it.
#retrospective
#milestone
#journey
All posts
30 posts and counting
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> Day 29: Third customer - goal achieved
Day 29 of 30. We did it. Three paying customers!
#milestone
#customer
#goal
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> Day 28: Week 4 retrospective - almost at the finish line
Day 28 of 30. End of week 4. Two days left.
#retrospective
#progress
#learnings
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> Day 27: Second customer - the agency call
Day 27 of 30. Today we closed our second paying customer.
#sales
#customer
#growth
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> Day 26: Customer acquisition push
Day 26 of 30. Four days left. Time to talk to more potential customers.
#marketing
#acquisition
#outreach
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> Day 25: Performance optimization - screenshots in under 2 seconds
Day 25 of 30. Today we make things faster.
#performance
#optimization
#speed
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> Day 24: Our first paying customer!
Day 24 of 30. It finally happened. Someone paid us money.
#revenue
#milestone
#customer
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> Day 23: Feature requests from the pilot
Day 23 of 30. Today we respond to real user feedback.
#features
#customer-feedback
#iteration
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> Day 22: Monitoring & alerting - sleeping without worry
Day 22 of 30. Today we set up monitoring so we know when things break.
#monitoring
#alerting
#devops
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> Day 21: Week 3 retrospective - stress testing our limits
Day 21 of 30. End of week 3. Time to see if we can scale.
#retrospective
#performance
#load-testing
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> Day 20: Our first customer call
Day 20 of 30. Today we talk to a real potential customer.
#sales
#customer-call
#validation
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> Day 19: Soft launch - sharing with the world
Day 19 of 30. Today we stop building and start selling.
#launch
#marketing
#outreach
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> Day 18: Error handling & edge cases
Day 18 of 30. Today we make the product robust.
#error-handling
#edge-cases
#reliability
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> Day 17: Documentation that doesn't suck
Day 17 of 30. Today we write the docs developers will actually read.
#documentation
#api
#developer-experience
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> Day 16: Integrating Stripe - payments in a day
Day 16 of 30. Today we make money possible.
#stripe
#payments
#billing
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> Day 15: Pricing strategy - how we decided what to charge
Day 15 of 30. Halfway there. Today we tackle the money question.
#pricing
#business
#strategy
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> Day 14: Building the dashboard - usage stats and key management
Day 14 of 30. Week 2 ends. Tomorrow is our first customer deadline.
#dashboard
#ui
#react
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> Day 13: Adding authentication - API keys done simply
Day 13 of 30. Today users can sign up, log in, and get API keys.
#authentication
#oauth
#security
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> Day 12: Our first landing page - shipping ugly but functional
Day 12 of 30. Today we show the world what we're building.
#marketing
#landing-page
#launch
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> Day 11: Storage strategy - where do screenshots live?
Day 11 of 30. Today we figure out where to put all these images.
#storage
#cloudflare-r2
#infrastructure
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> Day 10: Device emulation - mobile, tablet, desktop
Day 10 of 30. Today we make screenshots look right on every device.
#playwright
#devices
#responsive
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> Day 9: Sync vs async - two ways to capture screenshots
Day 9 of 30. Today we make the API actually work - with both instant and queued responses.
#backend
#postgres
#queues
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> Day 8: Designing the API contract first
Day 8 of 30. Week 2 begins. Today we define the interface before building the implementation.
#api-design
#rest
#planning
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> Day 7: Week 1 retrospective - what worked, what didn't
Day 7 of 30. End of week one. Time to be honest about where we are.
#retrospective
#building-in-public
#planning
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> Day 6: The core engine - getting Playwright running
Day 6 of 30. Today we capture our first screenshot. Finally, actual product work.
#playwright
#screenshots
#performance
#kotlin
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> Day 5: Choosing our hosting - how we'll run this for under $20/month
Day 5 of 30. Today we're talking money - specifically, how to spend as little of it as possible.
#hosting
#infrastructure
#costs
#cloudflare-r2
#hetzner
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> Day 4: Setting up CI/CD
Day 4 of 30. Today we're automating deployment before we have much to deploy.
#ci-cd
#devops
#github-actions
#docker
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> Day 3: Architecture sketch on a napkin
Day 3 of 30. Today we're drawing boxes and arrows before writing our code.
#architecture
#api-design
#planning
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> Day 2: Our tech stack decision: why Kotlin/Spring Boot + React + Postgres
Day 2 of 30. Zero lines of code yesterday, but today we're laying the foundation with our tech stack choices.
#tech-stack
#kotlin
#react
#postgres
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> Day 1: Why we're building a screenshot API
The 30-day challenge begins. We're building a screenshot API from scratch, documenting everything publicly.
#launch
#planning
#building-in-public