diff --git a/deploy/check-nginx.sh b/deploy/check-nginx.sh
new file mode 100755
index 0000000..aacb562
--- /dev/null
+++ b/deploy/check-nginx.sh
@@ -0,0 +1,225 @@
+#!/bin/bash
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+NGINX_DIR="/data/training/nginx"
+PASS=0
+FAIL=0
+
+# docker compose v1/v2 자동 감지
+if command -v docker-compose &>/dev/null; then
+    DOCKER_COMPOSE="docker-compose"
+elif docker compose version &>/dev/null 2>&1; then
+    DOCKER_COMPOSE="docker compose"
+else
+    DOCKER_COMPOSE=""
+fi
+
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+ok()   { echo -e "${GREEN}[OK]${NC}   $1"; ((PASS++)); }
+fail() { echo -e "${RED}[FAIL]${NC} $1"; ((FAIL++)); }
+warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
+section() { echo ""; echo "=== $1 ==="; }
+
+# ──────────────────────────────────────────
+section "디렉토리 확인"
+# ──────────────────────────────────────────
+for dir in \
+    /data/training/request \
+    /data/training/request/tmp \
+    /data/training/response \
+    /data/training/response/v6-cls-checkpoints \
+    /data/training/tmp \
+    "$NGINX_DIR" \
+    "$NGINX_DIR/ssl" \
+    "$NGINX_DIR/logs"; do
+    if [ -d "$dir" ]; then
+        ok "$dir"
+    else
+        fail "$dir 없음"
+    fi
+done
+
+# ──────────────────────────────────────────
+section "nginx 파일 확인"
+# ──────────────────────────────────────────
+for f in \
+    "$NGINX_DIR/nginx.conf" \
+    "$NGINX_DIR/docker-compose-nginx.yml" \
+    "$NGINX_DIR/ssl/train-kamco.com.crt" \
+    "$NGINX_DIR/ssl/train-kamco.com.key" \
+    "$NGINX_DIR/ssl/openssl.cnf"; do
+    if [ -f "$f" ]; then
+        ok "$f"
+    else
+        fail "$f 없음"
+    fi
+done
+
+# ──────────────────────────────────────────
+section "파일 권한 확인"
+# ──────────────────────────────────────────
+SSL_DIR_PERM=$(stat -c "%a" "$NGINX_DIR/ssl" 2>/dev/null)
+KEY_PERM=$(stat -c "%a" "$NGINX_DIR/ssl/train-kamco.com.key" 2>/dev/null)
+CRT_PERM=$(stat -c "%a" "$NGINX_DIR/ssl/train-kamco.com.crt" 2>/dev/null)
+
+[ "$SSL_DIR_PERM" = "700" ] && ok "ssl/ 권한 700" || fail "ssl/ 권한 오류 (현재: $SSL_DIR_PERM, 기대: 700)"
+[ "$KEY_PERM" = "600" ]     && ok "train-kamco.com.key 권한 600" || fail "key 권한 오류 (현재: $KEY_PERM, 기대: 600)"
+[ "$CRT_PERM" = "644" ]     && ok "train-kamco.com.crt 권한 644" || fail "crt 권한 오류 (현재: $CRT_PERM, 기대: 644)"
+
+# ──────────────────────────────────────────
+section "소유권 확인 (kcomu:kcomu)"
+# ──────────────────────────────────────────
+OWNER=$(stat -c "%U:%G" /data/training 2>/dev/null)
+[ "$OWNER" = "kcomu:kcomu" ] && ok "/data/training 소유권 kcomu:kcomu" || fail "/data/training 소유권 오류 (현재: $OWNER)"
+
+# ──────────────────────────────────────────
+section "SSL 인증서 유효성"
+# ──────────────────────────────────────────
+if command -v openssl &>/dev/null && [ -f "$NGINX_DIR/ssl/train-kamco.com.crt" ]; then
+    EXPIRY=$(openssl x509 -in "$NGINX_DIR/ssl/train-kamco.com.crt" -noout -enddate 2>/dev/null | cut -d= -f2)
+    EXPIRY_EPOCH=$(date -d "$EXPIRY" +%s 2>/dev/null || date -j -f "%b %d %T %Y %Z" "$EXPIRY" +%s 2>/dev/null)
+    NOW_EPOCH=$(date +%s)
+    if [ "$EXPIRY_EPOCH" -gt "$NOW_EPOCH" ]; then
+        ok "인증서 유효 (만료: $EXPIRY)"
+    else
+        fail "인증서 만료됨 (만료: $EXPIRY)"
+    fi
+
+    SAN=$(openssl x509 -in "$NGINX_DIR/ssl/train-kamco.com.crt" -noout -text 2>/dev/null | grep -A1 "Subject Alternative Name" | tail -1)
+    echo "    SAN: $SAN"
+else
+    warn "openssl 없음 또는 인증서 파일 없음 - 인증서 검증 스킵"
+fi
+
+# ──────────────────────────────────────────
+section "Docker 확인"
+# ──────────────────────────────────────────
+if command -v docker &>/dev/null && docker info &>/dev/null 2>&1; then
+    ok "Docker 실행 중"
+
+    # Docker network
+    if docker network ls --format '{{.Name}}' | grep -q "^kamco-cds$"; then
+        ok "Docker network kamco-cds 존재"
+    else
+        fail "Docker network kamco-cds 없음 (setup.sh 재실행 필요)"
+    fi
+
+    # nginx 컨테이너 상태
+    CONTAINER_STATUS=$(docker inspect --format '{{.State.Status}}' kamco-train-nginx 2>/dev/null)
+    if [ "$CONTAINER_STATUS" = "running" ]; then
+        ok "kamco-train-nginx 컨테이너 실행 중"
+    elif [ -z "$CONTAINER_STATUS" ]; then
+        warn "kamco-train-nginx 컨테이너 없음 (아직 미실행)"
+    else
+        fail "kamco-train-nginx 컨테이너 상태: $CONTAINER_STATUS"
+    fi
+else
+    fail "Docker 미실행 또는 설치 안 됨"
+fi
+
+# ──────────────────────────────────────────
+section "nginx 설정 문법 검사"
+# ──────────────────────────────────────────
+if command -v docker &>/dev/null && docker info &>/dev/null 2>&1; then
+    echo "  docker run으로 nginx -t 실행 중..."
+    if docker run --rm \
+        -v "$NGINX_DIR/nginx.conf:/etc/nginx/nginx.conf:ro" \
+        -v "$NGINX_DIR/ssl:/etc/nginx/ssl:ro" \
+        nginx:alpine nginx -t 2>&1; then
+        ok "nginx 설정 문법 OK"
+    else
+        fail "nginx 설정 문법 오류"
+    fi
+else
+    warn "Docker 없음 - nginx 문법 검사 스킵"
+fi
+
+# ──────────────────────────────────────────
+section "/etc/hosts 확인"
+# ──────────────────────────────────────────
+for domain in api.train-kamco.com train-kamco.com; do
+    HOSTS_LINE=$(grep "$domain" /etc/hosts | grep -v "^#" | head -1)
+    if [ -n "$HOSTS_LINE" ]; then
+        ok "$domain 등록됨  →  $HOSTS_LINE"
+    else
+        fail "$domain /etc/hosts 미등록"
+    fi
+done
+
+# ──────────────────────────────────────────
+section "도메인 해석 확인"
+# ──────────────────────────────────────────
+for domain in api.train-kamco.com train-kamco.com; do
+    RESOLVED=$(getent hosts "$domain" 2>/dev/null | awk '{print $1}' | head -1)
+    if [ -n "$RESOLVED" ]; then
+        ok "$domain → $RESOLVED"
+    else
+        fail "$domain 해석 실패 (DNS 또는 hosts 문제)"
+    fi
+done
+
+# ──────────────────────────────────────────
+section "포트 연결 확인 (80 / 443)"
+# ──────────────────────────────────────────
+for port in 80 443; do
+    if command -v nc &>/dev/null; then
+        if nc -z -w3 api.train-kamco.com "$port" 2>/dev/null; then
+            ok "api.train-kamco.com:$port 열림"
+        else
+            warn "api.train-kamco.com:$port 닫힘 (nginx 미실행일 수 있음)"
+        fi
+    elif command -v curl &>/dev/null; then
+        HTTP_CODE=$(curl -sk -o /dev/null -w "%{http_code}" --connect-timeout 3 \
+            "$([ "$port" = "443" ] && echo https || echo http)://api.train-kamco.com/" 2>/dev/null)
+        if [ -n "$HTTP_CODE" ] && [ "$HTTP_CODE" != "000" ]; then
+            ok "api.train-kamco.com:$port 응답 (HTTP $HTTP_CODE)"
+        else
+            warn "api.train-kamco.com:$port 응답 없음 (nginx 미실행일 수 있음)"
+        fi
+    else
+        warn "nc/curl 없음 - 포트 확인 스킵"
+        break
+    fi
+done
+
+# ──────────────────────────────────────────
+section "HTTPS 헬스체크"
+# ──────────────────────────────────────────
+if command -v curl &>/dev/null; then
+    for url in \
+        "https://api.train-kamco.com/monitor/health" \
+        "https://train-kamco.com/monitor/health"; do
+        HTTP_CODE=$(curl -sk -o /dev/null -w "%{http_code}" --connect-timeout 5 "$url" 2>/dev/null)
+        if [ "$HTTP_CODE" = "200" ]; then
+            ok "$url → HTTP $HTTP_CODE"
+        elif [ "$HTTP_CODE" = "000" ] || [ -z "$HTTP_CODE" ]; then
+            warn "$url → 응답 없음 (nginx 미실행일 수 있음)"
+        else
+            warn "$url → HTTP $HTTP_CODE"
+        fi
+    done
+else
+    warn "curl 없음 - HTTPS 헬스체크 스킵"
+fi
+
+# ──────────────────────────────────────────
+section "결과 요약"
+# ──────────────────────────────────────────
+echo ""
+echo -e "  ${GREEN}PASS: $PASS${NC}  /  ${RED}FAIL: $FAIL${NC}"
+echo ""
+if [ $FAIL -eq 0 ]; then
+    echo -e "${GREEN}모든 체크 통과. nginx 실행 준비 완료.${NC}"
+    if [ -n "$DOCKER_COMPOSE" ]; then
+        echo "  cd $NGINX_DIR && $DOCKER_COMPOSE -f docker-compose-nginx.yml up -d"
+    else
+        echo "  [WARN] docker-compose / docker compose 를 찾을 수 없습니다."
+    fi
+else
+    echo -e "${RED}$FAIL 개 항목 실패. 위 오류를 확인하세요.${NC}"
+    exit 1
+fi
diff --git a/deploy/docker-compose-nginx.yml b/deploy/docker-compose-nginx.yml
new file mode 100644
index 0000000..e7632ae
--- /dev/null
+++ b/deploy/docker-compose-nginx.yml
@@ -0,0 +1,25 @@
+services:
+  nginx:
+    image: nginx:alpine
+    container_name: kamco-train-nginx
+    user: 1000:1000
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+      - ./ssl:/etc/nginx/ssl:ro
+      - ./logs:/var/log/nginx
+    networks:
+      - kamco-cds
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "--no-check-certificate", "https://localhost/monitor/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+
+networks:
+  kamco-cds:
+    external: true
\ No newline at end of file
diff --git a/deploy/nginx.conf b/deploy/nginx.conf
new file mode 100644
index 0000000..5d0e80a
--- /dev/null
+++ b/deploy/nginx.conf
@@ -0,0 +1,195 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    # 로그 설정
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+    error_log   /var/log/nginx/error.log warn;
+
+    sendfile        on;
+    keepalive_timeout   65;
+
+    # 업로드 파일 크기 / 타임아웃 (10GB, 10분)
+    client_max_body_size  10G;
+    client_body_timeout   600s;
+
+    # Upstream 설정
+    upstream api_backend {
+        server kamco-train-api:8080;
+    }
+
+    upstream web_backend {
+        server kamco-train-web:3002;
+    }
+
+    # HTTP → HTTPS 리다이렉트 서버
+    server {
+        listen 80;
+        server_name api.train-kamco.com train-kamco.com;
+
+        # 모든 HTTP 요청을 HTTPS로 리다이렉트
+        return 301 https://$host$request_uri;
+    }
+
+    # HTTPS 서버 설정
+    server {
+        listen 443 ssl;
+        http2 on;
+        server_name api.train-kamco.com;
+
+        # SSL 인증서 설정 (사설 인증서 - 멀티 도메인)
+        ssl_certificate     /etc/nginx/ssl/train-kamco.com.crt;
+        ssl_certificate_key /etc/nginx/ssl/train-kamco.com.key;
+
+        # SSL 프로토콜 및 암호화 설정
+        ssl_protocols TLSv1.2 TLSv1.3;
+        ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384';
+        ssl_prefer_server_ciphers off;
+
+        # SSL 세션 캐시
+        ssl_session_cache shared:SSL:10m;
+        ssl_session_timeout 10m;
+
+        # HSTS (HTTP Strict Transport Security)
+        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
+
+        # 보안 헤더
+        add_header X-Frame-Options "SAMEORIGIN" always;
+        add_header X-Content-Type-Options "nosniff" always;
+        add_header X-XSS-Protection "1; mode=block" always;
+
+        # CORS 헤더
+        add_header Access-Control-Allow-Origin      "https://train-kamco.com" always;
+        add_header Access-Control-Allow-Methods     "GET, POST, PUT, DELETE, PATCH, OPTIONS" always;
+        add_header Access-Control-Allow-Headers     "Authorization, Content-Type, Cookie, X-Requested-With" always;
+        add_header Access-Control-Allow-Credentials "true" always;
+
+        # 프록시 설정
+        location / {
+            # OPTIONS preflight 처리
+            if ($request_method = OPTIONS) {
+                return 204;
+            }
+
+            proxy_pass http://api_backend;
+            proxy_http_version 1.1;
+
+            # 프록시 헤더 설정
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header X-Forwarded-Host $server_name;
+
+            # 인증 헤더 및 쿠키 전달 (JWT 토큰 전달 보장)
+            proxy_pass_request_headers on;
+            proxy_set_header Cookie $http_cookie;
+            proxy_set_header Authorization $http_authorization;
+
+            # 타임아웃 설정 (10분)
+            proxy_connect_timeout 600s;
+            proxy_send_timeout    600s;
+            proxy_read_timeout    600s;
+
+            # 대용량 업로드: 버퍼링 없이 백엔드로 스트리밍
+            proxy_request_buffering off;
+            proxy_buffering         off;
+        }
+
+        # 헬스체크 엔드포인트
+        location /monitor/health {
+            proxy_pass http://api_backend/monitor/health;
+            access_log off;
+        }
+    }
+
+    # HTTPS 서버 설정 - Next.js Web Application
+    server {
+        listen 443 ssl;
+        http2 on;
+        server_name train-kamco.com;
+
+        # SSL 인증서 설정 (사설 인증서 - 멀티 도메인)
+        ssl_certificate     /etc/nginx/ssl/train-kamco.com.crt;
+        ssl_certificate_key /etc/nginx/ssl/train-kamco.com.key;
+
+        # SSL 프로토콜 및 암호화 설정
+        ssl_protocols TLSv1.2 TLSv1.3;
+        ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384';
+        ssl_prefer_server_ciphers off;
+
+        # SSL 세션 캐시
+        ssl_session_cache shared:SSL:10m;
+        ssl_session_timeout 10m;
+
+        # HSTS (HTTP Strict Transport Security)
+        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
+
+        # 보안 헤더
+        add_header X-Frame-Options "SAMEORIGIN" always;
+        add_header X-Content-Type-Options "nosniff" always;
+        add_header X-XSS-Protection "1; mode=block" always;
+
+        # API 프록시 설정 (Web에서 API 호출 시)
+        location /api/ {
+            proxy_pass http://api_backend/api/;
+            proxy_http_version 1.1;
+
+            # 프록시 헤더 설정
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header X-Forwarded-Host $server_name;
+
+            # 인증 헤더 및 쿠키 전달
+            proxy_pass_request_headers on;
+            proxy_set_header Cookie $http_cookie;
+
+            # 타임아웃 설정 (10분)
+            proxy_connect_timeout 600s;
+            proxy_send_timeout    600s;
+            proxy_read_timeout    600s;
+
+            # 대용량 업로드: 버퍼링 없이 백엔드로 스트리밍
+            proxy_request_buffering off;
+            proxy_buffering         off;
+        }
+
+        # 프록시 설정
+        location / {
+            proxy_pass http://web_backend;
+            proxy_http_version 1.1;
+
+            # 프록시 헤더 설정
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_set_header X-Forwarded-Host $server_name;
+
+            # Next.js WebSocket 지원을 위한 Upgrade 헤더
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
+
+            # 타임아웃 설정 (10분)
+            proxy_connect_timeout 600s;
+            proxy_send_timeout    600s;
+            proxy_read_timeout    600s;
+
+            # 버퍼 설정
+            proxy_buffering on;
+            proxy_buffer_size 4k;
+            proxy_buffers 8 4k;
+            proxy_busy_buffers_size 8k;
+        }
+    }
+}
diff --git a/deploy/setup-groups.sh b/deploy/setup-groups.sh
new file mode 100755
index 0000000..5fe9d4e
--- /dev/null
+++ b/deploy/setup-groups.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+set -e
+
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+NC='\033[0m'
+
+ok()   { echo -e "${GREEN}[OK]${NC}   $1"; }
+fail() { echo -e "${RED}[FAIL]${NC} $1"; exit 1; }
+
+echo "=== GID 1000 그룹 설정 ==="
+
+# GID 1000 그룹 없으면 생성
+if ! getent group 1000 &>/dev/null; then
+    groupadd -g 1000 docker-users
+    ok "GID 1000 그룹(docker-users) 생성 완료"
+else
+    GROUP_NAME=$(getent group 1000 | cut -d: -f1)
+    ok "GID 1000 그룹 이미 존재: $GROUP_NAME"
+fi
+
+GROUP_NAME=$(getent group 1000 | cut -d: -f1)
+
+# kcomu, docker 를 GID 1000 그룹에 추가
+for user in kcomu docker; do
+    if id "$user" &>/dev/null; then
+        usermod -aG "$GROUP_NAME" "$user"
+        ok "$user → $GROUP_NAME($GROUP_NAME) 그룹 추가 완료"
+    else
+        echo "  [SKIP] $user 유저 없음"
+    fi
+done
+
+echo ""
+echo "현재 $GROUP_NAME 그룹 멤버:"
+getent group "$GROUP_NAME"
+echo ""
+echo "※ 그룹 변경은 재로그인 후 적용됩니다."
diff --git a/deploy/setup.sh b/deploy/setup.sh
new file mode 100755
index 0000000..2afee88
--- /dev/null
+++ b/deploy/setup.sh
@@ -0,0 +1,97 @@
+#!/bin/bash
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+NGINX_DIR="/data/training/nginx"
+
+# docker compose v1/v2 자동 감지
+if command -v docker-compose &>/dev/null; then
+    DOCKER_COMPOSE="docker-compose"
+elif docker compose version &>/dev/null 2>&1; then
+    DOCKER_COMPOSE="docker compose"
+else
+    DOCKER_COMPOSE=""
+fi
+
+echo "=== 디렉토리 생성 ==="
+mkdir -p /data/training/request
+mkdir -p /data/training/request/tmp
+mkdir -p /data/training/response
+mkdir -p /data/training/response/v6-cls-checkpoints
+mkdir -p /data/training/tmp
+mkdir -p "$NGINX_DIR/ssl"
+mkdir -p "$NGINX_DIR/logs"
+echo "완료"
+
+echo "=== nginx 파일 복사 ==="
+cp "$SCRIPT_DIR/nginx.conf" "$NGINX_DIR/"
+cp "$SCRIPT_DIR/docker-compose-nginx.yml" "$NGINX_DIR/"
+echo "완료"
+
+echo "=== SSL 파일 복사 ==="
+cp "$SCRIPT_DIR/ssl/openssl.cnf" "$NGINX_DIR/ssl/"
+cp "$SCRIPT_DIR/ssl/train-kamco.com.crt" "$NGINX_DIR/ssl/"
+cp "$SCRIPT_DIR/ssl/train-kamco.com.key" "$NGINX_DIR/ssl/"
+echo "완료"
+
+echo "=== SSL 권한 설정 ==="
+chmod 700 "$NGINX_DIR/ssl"
+chmod 600 "$NGINX_DIR/ssl/train-kamco.com.key"
+chmod 644 "$NGINX_DIR/ssl/train-kamco.com.crt"
+echo "완료"
+
+echo "=== 소유권 설정 (kcomu:kcomu) ==="
+chown -R kcomu:kcomu /data/training
+echo "완료"
+
+echo "=== 그룹 설정 (setup-groups.sh) ==="
+bash "$SCRIPT_DIR/setup-groups.sh"
+
+echo "=== docker-compose-nginx.yml 소유권 설정 (1000:1000) ==="
+chown 1000:1000 "$NGINX_DIR/docker-compose-nginx.yml"
+echo "완료"
+
+echo "=== docker-compose 래퍼 설정 ==="
+if command -v docker-compose &>/dev/null; then
+    echo "docker-compose 이미 설치됨 (스킵)"
+elif docker compose version &>/dev/null 2>&1; then
+    cat > /usr/local/bin/docker-compose << 'EOF'
+#!/bin/bash
+exec docker compose "$@"
+EOF
+    chmod +x /usr/local/bin/docker-compose
+    echo "docker-compose → docker compose 래퍼 생성 완료"
+    DOCKER_COMPOSE="docker-compose"
+else
+    echo "[WARN] docker compose 를 찾을 수 없습니다. Docker 설치를 확인하세요."
+fi
+
+echo "=== Docker network 설정 ==="
+if docker network ls --format '{{.Name}}' | grep -q "^kamco-cds$"; then
+    echo "kamco-cds 네트워크 이미 존재 (스킵)"
+else
+    docker network create kamco-cds
+    echo "kamco-cds 네트워크 생성 완료"
+fi
+
+echo "=== /etc/hosts 설정 ==="
+if grep -q "train-kamco.com" /etc/hosts; then
+    echo "이미 설정되어 있음 (스킵)"
+else
+    echo "127.0.0.1   api.train-kamco.com train-kamco.com" >> /etc/hosts
+    echo "추가 완료"
+fi
+echo "현재 hosts 설정:"
+grep "train-kamco" /etc/hosts
+
+echo ""
+echo "=== 설치 완료 ==="
+echo "생성된 디렉토리:"
+find /data -type d | sort
+echo ""
+echo "=== nginx 실행 방법 ==="
+if [ -n "$DOCKER_COMPOSE" ]; then
+    echo "cd $NGINX_DIR && $DOCKER_COMPOSE -f docker-compose-nginx.yml up -d"
+else
+    echo "[WARN] docker-compose / docker compose 를 찾을 수 없습니다. Docker 설치를 확인하세요."
+fi
diff --git a/deploy/ssl/openssl.cnf b/deploy/ssl/openssl.cnf
new file mode 100644
index 0000000..e39a5bd
--- /dev/null
+++ b/deploy/ssl/openssl.cnf
@@ -0,0 +1,21 @@
+[req]
+default_bits = 4096
+prompt = no
+default_md = sha256
+distinguished_name = dn
+req_extensions = v3_req
+
+[dn]
+C=KR
+ST=Seoul
+L=Seoul
+O=KAMCO
+OU=Training
+CN=api.train-kamco.com
+
+[v3_req]
+subjectAltName = @alt_names
+
+[alt_names]
+DNS.1 = api.train-kamco.com
+DNS.2 = train-kamco.com
diff --git a/docker-compose-dev-0420.yml b/docker-compose-dev-0420.yml
new file mode 100644
index 0000000..34b4d84
--- /dev/null
+++ b/docker-compose-dev-0420.yml
@@ -0,0 +1,38 @@
+services:
+  kamco-changedetection-api:
+    build:
+      context: .
+      dockerfile: Dockerfile-dev
+    image: kamco-cd-training-api:${IMAGE_TAG:-latest}
+    container_name: kamco-cd-training-api
+    deploy:
+      resources:
+        reservations:
+          devices:
+            - driver: nvidia
+              count: all
+              capabilities: [gpu]
+    ports:
+      - "7200:8080"
+    environment:
+      - SPRING_PROFILES_ACTIVE=dev
+      - TZ=Asia/Seoul
+    volumes:
+      - /mnt/nfs_share/images:/app/original-images
+      - /mnt/nfs_share/model_output:/app/model-outputs
+      - /mnt/nfs_share/train_dataset:/app/train-dataset
+      - /home/kcomu/data:/home/kcomu/data
+      - /var/run/docker.sock:/var/run/docker.sock
+    networks:
+      - kamco-cds
+    restart: unless-stopped
+    healthcheck:
+      test: [ "CMD", "curl", "-f", "http://localhost:8080/monitor/health" ]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 40s
+
+networks:
+  kamco-cds:
+    external: true