Implementar Claude apps gateway en AWS

ALB_SG="$(aws ec2 create-security-group --group-name claude-gateway-alb \
  --description "Claude gateway ALB" --vpc-id "$VPC_ID" \
  --query GroupId --output text)"
GW_SG="$(aws ec2 create-security-group --group-name claude-gateway-svc \
  --description "Claude gateway service" --vpc-id "$VPC_ID" \
  --query GroupId --output text)"
DB_SG="$(aws ec2 create-security-group --group-name claude-gateway-db \
  --description "Claude gateway Postgres" --vpc-id "$VPC_ID" \
  --query GroupId --output text)"

aws ec2 authorize-security-group-ingress --group-id "$ALB_SG" \
  --protocol tcp --port 443 --cidr <your-corporate-cidr>
aws ec2 authorize-security-group-ingress --group-id "$GW_SG" \
  --protocol tcp --port 8080 --source-group "$ALB_SG"
aws ec2 authorize-security-group-ingress --group-id "$DB_SG" \
  --protocol tcp --port 5432 --source-group "$GW_SG"

cat > bedrock-invoke.json <<EOF
{
  "Version": "2012-10-17",
  "Statement": [{
    "Effect": "Allow",
    "Action": ["bedrock:InvokeModel", "bedrock:InvokeModelWithResponseStream", "bedrock:CountTokens"],
    "Resource": [
      "arn:aws:bedrock:${AWS_REGION}:${ACCOUNT_ID}:inference-profile/us.anthropic.*",
      "arn:aws:bedrock:*::foundation-model/anthropic.*"
    ]
  }]
}
EOF
cat > ecs-trust.json <<'EOF'
{
  "Version": "2012-10-17",
  "Statement": [{
    "Effect": "Allow",
    "Principal": { "Service": "ecs-tasks.amazonaws.com" },
    "Action": "sts:AssumeRole"
  }]
}
EOF

aws iam create-role --role-name claude-gateway-task \
  --assume-role-policy-document file://ecs-trust.json
aws iam put-role-policy --role-name claude-gateway-task \
  --policy-name bedrock-invoke --policy-document file://bedrock-invoke.json

aws iam create-role --role-name claude-gateway-execution \
  --assume-role-policy-document file://ecs-trust.json
aws iam attach-role-policy --role-name claude-gateway-execution \
  --policy-arn arn:aws:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy
cat > secrets-read.json <<EOF
{
  "Version": "2012-10-17",
  "Statement": [{
    "Effect": "Allow",
    "Action": ["secretsmanager:GetSecretValue", "secretsmanager:DescribeSecret"],
    "Resource": [
      "arn:aws:secretsmanager:${AWS_REGION}:${ACCOUNT_ID}:secret:gateway-jwt-secret-??????",
      "arn:aws:secretsmanager:${AWS_REGION}:${ACCOUNT_ID}:secret:gateway-oidc-client-secret-??????",
      "arn:aws:secretsmanager:${AWS_REGION}:${ACCOUNT_ID}:secret:gateway-postgres-url-??????"
    ]
  }]
}
EOF
aws iam put-role-policy --role-name claude-gateway-execution \
  --policy-name read-gateway-secrets --policy-document file://secrets-read.json

aws rds create-db-subnet-group --db-subnet-group-name claude-gateway-db \
  --db-subnet-group-description "Claude gateway" --subnet-ids $PRIVATE_SUBNETS

PG_VERSION=16
PG_FAMILY="postgres${PG_VERSION}"
aws rds create-db-parameter-group --db-parameter-group-name claude-gateway-db \
  --db-parameter-group-family "$PG_FAMILY" \
  --description "Claude gateway - require TLS on every connection"
aws rds modify-db-parameter-group --db-parameter-group-name claude-gateway-db \
  --parameters "ParameterName=rds.force_ssl,ParameterValue=1,ApplyMethod=immediate"

PGPASS="$(openssl rand -hex 24)"
aws rds create-db-instance --db-instance-identifier claude-gateway-db \
  --engine postgres --engine-version "$PG_VERSION" \
  --db-instance-class db.t4g.micro \
  --allocated-storage 20 --db-name claude_gateway \
  --master-username gateway --master-user-password "$PGPASS" \
  --db-subnet-group-name claude-gateway-db \
  --db-parameter-group-name claude-gateway-db \
  --vpc-security-group-ids "$DB_SG" \
  --no-publicly-accessible --storage-encrypted

aws rds wait db-instance-available --db-instance-identifier claude-gateway-db
DB_HOST="$(aws rds describe-db-instances --db-instance-identifier claude-gateway-db \
  --query 'DBInstances[0].Endpoint.Address' --output text)"
GATEWAY_POSTGRES_URL="postgres://gateway:${PGPASS}@${DB_HOST}:5432/claude_gateway?sslmode=verify-full"

aws secretsmanager create-secret --name gateway-jwt-secret \
  --secret-string "$(openssl rand -base64 32)"
aws secretsmanager create-secret --name gateway-oidc-client-secret \
  --secret-string '<your-okta-client-secret>'
aws secretsmanager create-secret --name gateway-postgres-url \
  --secret-string "$GATEWAY_POSTGRES_URL"

curl -fL --proto '=https' -o rds-global-bundle.pem \
  https://truststore.pki.rds.amazonaws.com/global/global-bundle.pem

COPY rds-global-bundle.pem /etc/claude/rds-global-bundle.pem
ENV NODE_EXTRA_CA_CERTS=/etc/claude/rds-global-bundle.pem

aws ecr create-repository --repository-name claude-gateway \
  --image-tag-mutability IMMUTABLE \
  --image-scanning-configuration scanOnPush=true
aws ecr get-login-password --region "$AWS_REGION" \
  | docker login --username AWS --password-stdin \
    "${ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com"

docker build --platform=linux/amd64 \
  -t "${ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/claude-gateway:<version>" .
docker push "${ACCOUNT_ID}.dkr.ecr.${AWS_REGION}.amazonaws.com/claude-gateway:<version>"

managed:
  policies:
    - match: {groups: [team-platform-and-data]}
      cli: {availableModels: [platform-claude-opus-4-8, data-claude-opus-4-8], enforceAvailableModels: true}
    - match: {groups: [team-platform]}
      cli: {availableModels: [platform-claude-opus-4-8], enforceAvailableModels: true}
    - match: {groups: [team-data]}
      cli: {availableModels: [data-claude-opus-4-8], enforceAvailableModels: true}
    - match: {}
      cli: {availableModels: [claude-opus-4-8, claude-sonnet-4-6], enforceAvailableModels: true}