[FEATURE] Docker 기반 Blue/Gren 무중단배포

.github/workflows/pr-auto-review.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Install Python Packages
         run: |
           python -m pip install --upgrade pip
-          pip install google-generativeai PyGithub
+          pip install --no-cache-dir google-generativeai PyGithub
 
       - name: Get Git Diff
         id: git_diff

.github/workflows/workflow.yml

@@ -26,7 +26,7 @@ jobs:
 
       - name: Build, tag, and push image to Amazon ECR
         run: |
-          docker build -t dearbelly-cv .
+          docker build --no-cache -t dearbelly-cv .
           docker tag dearbelly-cv:latest ${{ secrets.ECR_URI }}/dearbelly-cv
           docker push ${{ secrets.ECR_URI }}/dearbelly-cv:latest
 
@@ -37,6 +37,14 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v4
 
+      - name: Transfer deploy file to EC2
+        uses: appleboy/scp-action@master
+        with:
+          host: ${{ secrets.REMOTE_HOST }}
+          username: ${{ secrets.REMOTE_USER }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          source: ./deployment/
+          target: /home/ubuntu/deployment
 
   deploy:
     name: Deploy
@@ -52,8 +60,8 @@ jobs:
           port: 22
           script: |
             # 1. cd
-            mkdir -p ~/dearbelly
-            cd ~/dearbelly
+            mkdir -p ~/dearbelly/deployment
+            cd ~/dearbelly/deployment
 
             # 2. .env file
             echo "${{ secrets.ENV }}" > .env
@@ -69,5 +77,5 @@ jobs:
             docker pull ${{ secrets.ECR_URI }}/dearbelly-cv:latest
 
             # 6. docker start
-            # TODO : 스크립트 작성
-            docker run -d --name app-blue -p 8000:8000 ${{ secrets.ECR_URI }}/dearbelly-cv:latest
+            chmod +x deploy.sh
+            source deploy.sh

Dockerfile

@@ -3,13 +3,18 @@ FROM nvidia/cuda:12.6.0-runtime-ubuntu24.04
 WORKDIR /app
 
 RUN apt-get update && \
-    apt-get install -y python3 python3-venv python3-pip git && \
-    ln -s /usr/bin/python3 /usr/bin/python && \
-    apt-get clean && rm -rf /var/lib/apt/lists/*
+    apt-get install -y --no-install-recommends \
+        python3 python3-pip python3-venv git ca-certificates && \
+    rm -rf /var/lib/apt/lists/*
+
+ENV VENV_PATH=/opt/venv
+RUN python3 -m venv "$VENV_PATH" && \
+    "$VENV_PATH/bin/python" -m pip install --upgrade pip
 
 COPY . .
+RUN "$VENV_PATH/bin/pip" install --no-cache-dir -r app/requirements.txt
 
-RUN pip install --no-cache-dir -r app/requirements.txt
+ENV PATH="$VENV_PATH/bin:$PATH"
 
 EXPOSE 8000
 

deployment/deploy.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+set -e
+
+ERR_MSG=''
+
+trap 'echo "Error occured: $ERR_MSG. Exiting deploy script."; exit 1' ERR
+
+
+# 현재 포트 파악
+if sudo docker ps --filter "name=app-blue" --quiet | grep -E .; then
+  echo "Blue down, Green Up "
+  BEFORE_COMPOSE_COLOR="blue"
+  AFTER_COMPOSE_COLOR="green"
+  HOST_PORT="8001"
+else
+  echo "Green down, Blue up"
+  BEFORE_COMPOSE_COLOR="green"
+  AFTER_COMPOSE_COLOR="blue"
+  HOST_PORT="8000"
+fi
+
+echo "Pulling image: ${IMAGE}"
+# docker pull
+docker compose pull ${ECR_URI}/dearbelly-cv:latest
+docker compose up -d --no-deps --force-recreate app-${AFTER_COMPOSE_COLOR}
+
+
+# 새 컨테이너가 running 될 때까지 대기
+for i in $(seq 1 60); do
+  if docker ps --filter "name=^/app-${AFTER_COLOR}$" --filter "status=running" --format '{{.Names}}' | grep -q .; then
+    echo "New app-${AFTER_COLOR} container is running."
+    break
+  fi
+  sleep 1
+  if [ "$i" -eq 60 ]; then
+    echo "New container failed to start in time." >&2
+    exit 1
+  fi
+done
+
+# 새로운 컨테이너 확인 후 Nginx 설정 변경
+if docker ps --filter "name=app-${AFTER_COMPOSE_COLOR}" --filter "status=running" --format '{{.Names}}' | grep -q .; then
+  echo "New app-${AFTER_COMPOSE_COLOR} container is running."
+  # reload nginx
+  NGINX_ID=$(sudo docker ps --filter "name=nginx" --quiet)
+  NGINX_CONFIG="/home/ubuntu/deployment/nginx.conf"
+
+  echo "Switching Nginx upstream config..."
+  if ! sed -i "s/app-${BEFORE_COMPOSE_COLOR}:8000/app-${AFTER_COMPOSE_COLOR}:8000/" $NGINX_CONFIG; then
+        echo "Error occured: Failed to update Nginx config. Exiting deploy script."
+        exit 1
+  fi
+
+  echo "Reloding Nginx in Container"
+  if ! docker exec $NGINX_ID nginx -s reload; then
+    ERR_MSG='Failed to update Nginx config'
+    exit 1
+  fi
+
+  if ! docker compose restart nginx; then
+    ERR_MSG='Failed to reload Nginx'
+    exit 1
+  fi
+
+  # 이전 컨테이너 종료
+  docker stop app-${BEFORE_COMPOSE_COLOR}
+  docker rm app-${BEFORE_COMPOSE_COLOR}
+  docker image prune -af
+fi
+
+echo "Deployment success."
+exit 0

deployment/docker-compose.yml

@@ -0,0 +1,30 @@
+services:
+  app-blue:
+    image: ${ECR_URI}/dearbelly-dv:latest
+    ports:
+      - "8000:8000"
+    env_file:
+      - /home/ubuntu/dearbelly/deployment/.env
+    deploy:
+      resources:
+        reservations:
+          devices:
+            - driver: nvidia
+              count: 1
+              capabilities: [gpu]
+    container_name: app-blue
+
+  app-green:
+    image: ${ECR_URI}/dearbelly-dv:latest
+    ports:
+      - "8001:8000"
+    env_file:
+      - /home/ubuntu/dearbelly/deployment/.env
+    deploy:
+      resources:
+        reservations:
+          devices:
+            - driver: nvidia
+              count: 1
+              capabilities: [ gpu ]
+    container_name: app-green

deployment/nginx.conf

@@ -0,0 +1,21 @@
+events {}
+
+http {
+    upstream backend {
+        server app-blue:8000;
+    }
+
+    server {
+        listen 80;
+
+        location / {
+            proxy_pass http://backend/;
+            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;
+
+        }
+    }
+}