Hopefully this works....

.env.default

@@ -3,6 +3,9 @@ TZ=US/Eastern
 
 CONTAINER_WEB=ae_web_default
 CONTAINER_AE_API=ae_api_default
+CONTAINER_AE_API_RED=ae_api_default_red
+CONTAINER_AE_API_GREEN=ae_api_default_green
+CONTAINER_AE_API_BLUE=ae_api_default_blue
 CONTAINER_AE_APP=ae_app_default
 CONTAINER_PHP7=ae_php7_default
 CONTAINER_REDIS=ae_redis_default
@@ -96,6 +99,9 @@ AE_API_DIR=/srv/aether_api
 AE_API_LOG_PATH="/logs/aether_api.log"
 AE_API_V5_LOG_PATH="/logs/aether_api_v5.log"
 AE_API_GUNICORN_PORT=5065
+AE_API_GUNICORN_PORT_RED=5066
+AE_API_GUNICORN_PORT_GREEN=5067
+AE_API_GUNICORN_PORT_BLUE=5068
 AE_API_GUNICORN_TIMEOUT=2100 # (default=30; should be much higher)
 AE_API_GUNICORN_GRACEFUL_TIMEOUT=30 # (default=30)
 AE_API_GUNICORN_KEEPALIVE=30 # (default=2)

aether_container_env.code-workspace

@@ -0,0 +1,8 @@
+{
+	"folders": [
+		{
+			"path": "."
+		}
+	],
+	"settings": {}
+}

docker-compose.yml

@@ -52,7 +52,7 @@ services:
             # - ./conf/nginx/site-enabled_aether-phpmyadmin.conf:/etc/nginx/templates/site-enabled_aether-phpmyadmin.conf.template
 
             # - ./conf/nginx/site-enabled_oneskyit.conf:/etc/nginx/conf.d/site-enabled_oneskyit.conf
-            - ./conf/nginx/site-enabled_oneskyit.conf:/etc/nginx/templates/site-enabled_oneskyit.conf.template
+            # - ./conf/nginx/site-enabled_oneskyit.conf:/etc/nginx/templates/site-enabled_oneskyit.conf.template
 
             - ./conf/nginx/site-enabled_aether_fastapi_gunicorn.conf:/etc/nginx/templates/site-enabled_aether_fastapi_gunicorn.conf.template
             # - ./conf/nginx/site-enabled_aether_api_v5_fastapi_gunicorn.conf:/etc/nginx/templates/site-enabled_aether_api_v5_fastapi_gunicorn.conf.template
@@ -68,7 +68,7 @@ services:
         # volumes_from:
         #     - nextcloud25
         depends_on:
-            - php7
+            # - php7
             - aether_api_gunicorn
             # - aether_api_v5_gunicorn
             - aether_app_gunicorn
@@ -81,25 +81,25 @@ services:
         # stdin_open: true # docker run -i
         # tty: true        # docker run -t
 
-    php7:
+    # php7:
-        restart: always
+    #     restart: always
-        container_name: ${CONTAINER_PHP7}
+    #     container_name: ${CONTAINER_PHP7}
-        # image: php:fpm
+    #     # image: php:fpm
-        build:
+    #     build:
-            context: ./
+    #         context: ./
-            dockerfile: php7.Dockerfile
+    #         dockerfile: php7.Dockerfile
-        volumes:
+    #     volumes:
-            - ./srv/html_php:/srv/html_php
+    #         - ./srv/html_php:/srv/html_php
-            - ./srv/oneskyit_site:/srv/oneskyit_site
+    #         - ./srv/oneskyit_site:/srv/oneskyit_site
-            # - ./srv/nextcloud:/srv/nextcloud
+    #         # - ./srv/nextcloud:/srv/nextcloud
 
-            - ./conf/php/custom_php7.ini:/usr/local/etc/php/conf.d/custom_php7.ini
+    #         - ./conf/php/custom_php7.ini:/usr/local/etc/php/conf.d/custom_php7.ini
 
-            - ./logs/php7:/logs
+    #         - ./logs/php7:/logs
-        # ports:
+    #     # ports:
-        #     - "9007:9000"
+    #     #     - "9007:9000"
-        # networks:
+    #     # networks:
-        #   - local-net
+    #     #   - local-net
 
     # phpmyadmin:
     #     image: phpmyadmin
@@ -128,6 +128,7 @@ services:
         #     # default port is 6379
         #     - "${AE_REDIS_PORT}:6379"
 
+    # API - Default
     aether_api_gunicorn:
         restart: always
         container_name: ${CONTAINER_AE_API}
@@ -165,6 +166,121 @@ services:
         stdin_open: true # docker run -i
         tty: true        # docker run -t
 
+    # API - Red
+    aether_api_gunicorn_red:
+        restart: always
+        container_name: ${CONTAINER_AE_API_RED}
+        build:
+            # context: ./builds
+            context: ./
+            dockerfile: aether_fastapi_gunicorn.Dockerfile
+        env_file:
+            - ./.env
+        ports:
+            - "${AE_API_GUNICORN_PORT_RED}:5005"
+        extra_hosts:
+            - "${DOCKER_AE_SERVER_EXTRA_HOST}"
+        # expose:
+        #   - 5005
+        # networks:
+        #   - local-net
+        volumes:
+            - ./conf/aether_fastapi_gunicorn_conf.py:/conf/gunicorn_fastapi_conf.py
+            - ./conf/aether_fastapi_requirements_current.txt:/requirements_current.txt
+            - ./conf/aether_api_config.py:/srv/aether_api/app/config.py
+
+            - ./logs/ae_api_red:/logs
+
+            - ./srv/aether_api_ln:/srv/aether_api
+            - ./srv/hosted_files_ln:/srv/hosted_files
+            - ./srv/hosted_tmp_ln:/srv/hosted_tmp
+
+            # - ./tmp/ae_api:/tmp
+            - ./temp/ae_api:/temp
+        # links:
+        #     - redis
+        depends_on:
+            - redis
+        stdin_open: true # docker run -i
+        tty: true        # docker run -t
+
+    # API - Blue
+    aether_api_gunicorn_blue:
+        restart: always
+        container_name: ${CONTAINER_AE_API_BLUE}
+        build:
+            # context: ./builds
+            context: ./
+            dockerfile: aether_fastapi_gunicorn.Dockerfile
+        env_file:
+            - ./.env
+        ports:
+            - "${AE_API_GUNICORN_PORT_BLUE}:5005"
+        extra_hosts:
+            - "${DOCKER_AE_SERVER_EXTRA_HOST}"
+        # expose:
+        #   - 5005
+        # networks:
+        #   - local-net
+        volumes:
+            - ./conf/aether_fastapi_gunicorn_conf.py:/conf/gunicorn_fastapi_conf.py
+            - ./conf/aether_fastapi_requirements_current.txt:/requirements_current.txt
+            - ./conf/aether_api_config.py:/srv/aether_api/app/config.py
+
+            - ./logs/ae_api_blue:/logs
+
+            - ./srv/aether_api_ln:/srv/aether_api
+            - ./srv/hosted_files_ln:/srv/hosted_files
+            - ./srv/hosted_tmp_ln:/srv/hosted_tmp
+
+            # - ./tmp/ae_api:/tmp
+            - ./temp/ae_api:/temp
+        # links:
+        #     - redis
+        depends_on:
+            - redis
+        stdin_open: true # docker run -i
+        tty: true        # docker run -t
+
+    # API - Green
+    aether_api_gunicorn_green:
+        restart: always
+        container_name: ${CONTAINER_AE_API_GREEN}
+        build:
+            # context: ./builds
+            context: ./
+            dockerfile: aether_fastapi_gunicorn.Dockerfile
+        env_file:
+            - ./.env
+        ports:
+            - "${AE_API_GUNICORN_PORT_GREEN}:5005"
+        extra_hosts:
+            - "${DOCKER_AE_SERVER_EXTRA_HOST}"
+        # expose:
+        #   - 5005
+        # networks:
+        #   - local-net
+        volumes:
+            - ./conf/aether_fastapi_gunicorn_conf.py:/conf/gunicorn_fastapi_conf.py
+            - ./conf/aether_fastapi_requirements_current.txt:/requirements_current.txt
+            - ./conf/aether_api_config.py:/srv/aether_api/app/config.py
+
+            - ./logs/ae_api_green:/logs
+
+            - ./srv/aether_api_ln:/srv/aether_api
+            - ./srv/hosted_files_ln:/srv/hosted_files
+            - ./srv/hosted_tmp_ln:/srv/hosted_tmp
+
+            # - ./tmp/ae_api:/tmp
+            - ./temp/ae_api:/temp
+        # links:
+        #     - redis
+        depends_on:
+            - redis
+        stdin_open: true # docker run -i
+        tty: true        # docker run -t
+
+
 #     aether_api_v5_gunicorn:
 #         restart: always
 #         container_name: ae_api_v5_dev