docs(scripts): add DNS configuration script with Cloudflare API
Add configure-dns.sh for automated DNS record setup: - aicodebattle.com CNAME to Pages - r2.aicodebattle.com CNAME to R2 - api.aicodebattle.com A record to Traefik (optional) Includes manual dashboard instructions as fallback. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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scripts/configure-dns.sh
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scripts/configure-dns.sh
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#!/bin/bash
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# DNS Configuration Script for AI Code Battle
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# Configures all required DNS records via Cloudflare API
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#
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# Prerequisites:
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# export CLOUDFLARE_API_TOKEN=your_token_here
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# export CLOUDFLARE_ZONE_ID=your_zone_id # Optional, will auto-detect
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# export TRAEFIK_IP=your_traefik_ip # Required for api.aicodebattle.com
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#
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# Usage:
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# ./scripts/configure-dns.sh
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#
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# ALTERNATIVE: Manual Dashboard Configuration
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# See DEPLOYMENT.md for step-by-step dashboard instructions
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#
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# DNS Records Required:
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# 1. aicodebattle.com → CNAME → aicodebattle.pages.dev (proxied)
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# 2. r2.aicodebattle.com → CNAME → acb-data.r2.cloudflarestorage.com
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# 3. api.aicodebattle.com → A → <Traefik IP> (proxied)
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set -e
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m' # No Color
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DOMAIN="aicodebattle.com"
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echo "=== AI Code Battle - DNS Configuration ==="
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echo ""
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# Check for required environment variables
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if [ -z "$CLOUDFLARE_API_TOKEN" ]; then
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echo -e "${RED}ERROR: CLOUDFLARE_API_TOKEN not set${NC}"
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echo "Get your API token from: https://dash.cloudflare.com/profile/api-tokens"
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echo "Required permissions: Zone.DNS (Edit)"
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echo ""
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echo "Run: export CLOUDFLARE_API_TOKEN=your_token_here"
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exit 1
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fi
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if [ -z "$TRAEFIK_IP" ]; then
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echo -e "${YELLOW}WARNING: TRAEFIK_IP not set${NC}"
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echo "The api.aicodebattle.com record will NOT be configured."
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echo "Get the Traefik LoadBalancer IP from Kubernetes:"
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echo " kubectl --server=http://kubectl-apexalgo-iad:8001 get svc -n traefik"
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echo ""
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echo "Run: export TRAEFIK_IP=your_traefik_ip"
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echo ""
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READ_SKIP_API=${SKIP_API:-"n"}
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if [ "$READ_SKIP_API" != "y" ]; then
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read -p "Continue without API record? (y/n) " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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exit 1
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fi
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fi
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fi
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# Cloudflare API base URL
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CF_API="https://api.cloudflare.com/client/v4"
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# Function to make authenticated API calls
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cf_api() {
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local method=$1
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local endpoint=$2
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local data=$3
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if [ -n "$data" ]; then
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curl -s -X "$method" "${CF_API}${endpoint}" \
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-H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
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-H "Content-Type: application/json" \
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-d "$data"
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else
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curl -s -X "$method" "${CF_API}${endpoint}" \
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-H "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
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-H "Content-Type: application/json"
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fi
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}
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# Get Zone ID if not provided
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if [ -z "$CLOUDFLARE_ZONE_ID" ]; then
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echo "Looking up Zone ID for $DOMAIN..."
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ZONE_RESPONSE=$(cf_api GET "/zones?name=$DOMAIN")
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CLOUDFLARE_ZONE_ID=$(echo "$ZONE_RESPONSE" | jq -r '.result[0].id // empty')
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if [ -z "$CLOUDFLARE_ZONE_ID" ]; then
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echo -e "${RED}ERROR: Could not find zone for $DOMAIN${NC}"
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echo "Make sure the domain is added to your Cloudflare account."
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exit 1
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fi
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echo -e "${GREEN}Found Zone ID: $CLOUDFLARE_ZONE_ID${NC}"
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fi
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ZONE_ID=$CLOUDFLARE_ZONE_ID
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# Function to create or update DNS record
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configure_record() {
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local name=$1
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local type=$2
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local content=$3
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local proxied=${4:-false}
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echo ""
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echo "Configuring $name.$DOMAIN ($type -> $content)..."
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# Check if record exists
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EXISTING=$(cf_api GET "/zones/$ZONE_ID/dns_records?name=${name}.${DOMAIN}&type=$type")
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EXISTING_ID=$(echo "$EXISTING" | jq -r '.result[0].id // empty')
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if [ -n "$EXISTING_ID" ]; then
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# Update existing record
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echo " Updating existing record..."
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RESPONSE=$(cf_api PUT "/zones/$ZONE_ID/dns_records/$EXISTING_ID" \
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"{\"type\":\"$type\",\"name\":\"$name\",\"content\":\"$content\",\"ttl\":3600,\"proxied\":$proxied}")
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else
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# Create new record
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echo " Creating new record..."
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RESPONSE=$(cf_api POST "/zones/$ZONE_ID/dns_records" \
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"{\"type\":\"$type\",\"name\":\"$name\",\"content\":\"$content\",\"ttl\":3600,\"proxied\":$proxied}")
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fi
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SUCCESS=$(echo "$RESPONSE" | jq -r '.success // false')
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if [ "$SUCCESS" = "true" ]; then
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echo -e "${GREEN} ✓ Success${NC}"
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else
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ERRORS=$(echo "$RESPONSE" | jq -r '.errors[0].message // "Unknown error"')
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echo -e "${RED} ✗ Failed: $ERRORS${NC}"
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fi
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}
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# 1. Configure main domain (Pages CNAME)
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# Note: For Pages custom domains, the CNAME target is <project>.pages.dev
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echo ""
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echo "=== 1. Main domain (Pages) ==="
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echo "Note: For Cloudflare Pages, you should add the custom domain via:"
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echo " Workers & Pages > aicodebattle > Settings > Custom domains"
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echo ""
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echo "If the Pages project is already configured, we'll set up the CNAME:"
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configure_record "@" "CNAME" "aicodebattle.pages.dev" true
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# 2. Configure R2 subdomain
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echo ""
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echo "=== 2. R2 subdomain ==="
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echo "Note: For R2 custom domains, you should add the custom domain via:"
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echo " R2 > acb-data > Settings > Custom Domains"
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echo ""
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echo "If already configured, the CNAME should point to R2's public endpoint:"
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# R2 custom domain CNAME format: <bucket>.r2.cloudflarestorage.com
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configure_record "r2" "CNAME" "acb-data.r2.cloudflarestorage.com" false
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# 3. Configure API subdomain (if Traefik IP provided)
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echo ""
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echo "=== 3. API subdomain ==="
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if [ -n "$TRAEFIK_IP" ]; then
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configure_record "api" "A" "$TRAEFIK_IP" true
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else
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echo -e "${YELLOW}Skipping - TRAEFIK_IP not set${NC}"
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echo "To configure later, run:"
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echo " TRAEFIK_IP=<ip> ./scripts/configure-dns.sh"
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fi
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echo ""
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echo "=== DNS Configuration Complete ==="
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echo ""
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echo "Verification commands:"
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echo " dig +short aicodebattle.com"
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echo " dig +short r2.aicodebattle.com"
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echo " dig +short api.aicodebattle.com"
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echo ""
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echo "Or run: ./scripts/verify-deployment.sh"
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