added docker file

assignment-db-service/.dockerignore

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+# Node.js specific
+**node_modules/
+npm-debug.log
+yarn-debug.log
+
+# Environment and secrets
+.env*
+*.env
+*.pem
+*.key
+*.crt
+
+# Development artifacts
+.idea/
+.vscode/
+*.swp
+*.swo
+dist/
+build/
+out/
+
+# Version control
+.git/
+.gitignore
+
+# Temporary files
+tmp/
+temp/
+*.tmp
+
+# Documentation
+*.md
+README*
+
+# Docker files
+Dockerfile*
+docker-compose*
+
+# Project-specific
+package-lock.json

assignment-db-service/DockerfileDEV

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+# syntax=docker/dockerfile:1
+
+# Use the official Node.js image as the base image
+ARG NODE_VERSION=22.13.1
+FROM node:${NODE_VERSION}-slim AS base
+
+# Set the working directory
+WORKDIR /app
+
+# Then copy the rest of the application code
+COPY . .
+
+# Install build tools (needed for bcrypt native bindings)
+RUN apt-get update -y && apt-get install -y build-essential python3 openssl
+
+# Copy only package files first (faster caching)
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install && npx prisma generate
+
+# Rebuild bcrypt specifically (optional if clean install is guaranteed)
+RUN npm rebuild bcrypt --build-from-source
+
+# Expose the application port
+EXPOSE 3200
+
+# Start the application
+CMD ["node", "app.js"]

assignment-db-service/dev.env

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+# Environment variables declared in this file are automatically made available to Prisma.
+# See the documentation for more detail: https://pris.ly/d/prisma-schema#accessing-environment-variables-from-the-schema
+
+# Prisma supports the native connection string format for PostgreSQL, MySQL, SQLite, SQL Server, MongoDB and CockroachDB.
+# See the documentation for all the connection string options: https://pris.ly/d/connection-strings
+
+#use this when testing local, remmber to run the proxy command
+DATABASE_URL="postgresql://postgres:wly9H8gjjmxYfg1@localhost:15432/postgres?schema=public"
+
+# DATABASE_URL="postgres://postgres:wly9H8gjjmxYfg1@bytecamp-db.flycast:5432?sslmode=disable"
+# DATABASE_URL=postgres://snakebyte:zVB7lgOiKr89dq6@localhost:5432/snakebyte?sslmode=disable
+NODE_PORT=3000