feat: added Dockerfile for containerizing Papermark

[atharvf14t]

Summary

Added a Dockerfile to enable containerized deployment for Papermark.

Details

• Based on Node 18 Alpine
• Multi-stage build for smaller image
• Runs prisma generate and npm run build
• Runs prisma migrate deploy on container start
• Supports external PostgreSQL and blob storage

Testing

• Built and ran container locally
• Verified app runs successfully on http://localhost:3000

Summary by CodeRabbit

• Chores
  • Added Docker optimizations for smaller images and faster, more reliable builds.
  • Excluded unnecessary files from build context to speed up deployments.
  • Standardized production runtime settings and port exposure.
  • Automated database migrations on container start for smoother releases.

[vercel]

@atharvf14t is attempting to deploy a commit to the mftsio Team on Vercel.

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[github-actions]

All contributors have signed the CLA ✍️ ✅
_{Posted by the CLA Assistant Lite bot.}

[coderabbitai]

Walkthrough

Adds Docker-related configuration: a new .dockerignore with common exclusions and a multi-stage Node.js 18 Alpine Dockerfile that installs dependencies, builds the app, runs Prisma generate, prepares production artifacts, exposes port 3000, and starts with Prisma migrate deploy followed by npm start.

Changes

Cohort / File(s)

Summary of Changes

Docker configuration Dockerfile, .dockerignore

.dockerignore: Adds exclusions for node_modules, npm-debug.log, .env, .git, .gitignore, Dockerfile, docker-compose.yml, .vscode to reduce build context. Dockerfile: Multi-stage (deps/builder/runner) for Node.js 18 Alpine; installs OpenSSL; runs npm ci, Prisma generate, Next.js build; copies build artifacts; sets NODE_ENV=production, PORT=3000; runs prisma migrate deploy then npm start; exposes port 3000.

Pre-merge checks

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The title clearly and concisely summarizes the main change by indicating that a Dockerfile has been added to containerize Papermark, which directly reflects the content and objectives of the pull request. It avoids unnecessary detail and uses straightforward phrasing to convey the primary feature addition.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.

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[atharvf14t]

I have read the CLA Document and I hereby sign the CLA

[coderabbitai]

Actionable comments posted: 1

🧹 Nitpick comments (1)

.dockerignore (1)

1-8: Consider ignoring build artifacts too.

Add .next/, out/, and similar build outputs to shrink the build context and avoid stale assets catching the Docker cache.

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 2abc67e and 8bf5eea.

📒 Files selected for processing (2)

• .dockerignore (1 hunks)
• Dockerfile (1 hunks)

[coderabbitai]

⚠️ Potential issue | 🔴 Critical

Install openssl in the builder stage.

npx prisma generate runs in this stage, but this layer never installs openssl, so the Prisma engine fails with libssl.so missing on Alpine. Install it (and keep it cached) before calling prisma generate.

 FROM node:18-alpine AS builder
 WORKDIR /app

+RUN apk add --no-cache openssl
+
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 
 RUN npx prisma generate

🤖 Prompt for AI Agents

In Dockerfile around lines 15 to 17, the builder stage runs "npx prisma
generate" but never installs OpenSSL, causing Prisma's engine to fail with a
missing libssl.so; add an installation step for OpenSSL in the builder stage
before running "npx prisma generate" (for Alpine: RUN apk add --no-cache
openssl) and place it in an earlier layer (before npm install / prisma generate)
so the package is cached between builds.