Deploy without downtime

deployment.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+git reset --hard HEAD
+git pull
+
+if [ $(docker ps -f name=blue -q) ]
+then
+    ENV="green"
+    OLD="blue"
+else
+    ENV="blue"
+    OLD="green"
+fi
+
+echo $ENV > ./updater/container_version
+
+echo "Starting "$ENV" container"
+docker-compose --project-name=$ENV up -d
+
+echo "Waiting..."
+sleep 5s
+
+echo "Stopping "$OLD" container"
+docker-compose --project-name=$OLD stop

docker-compose.traefik.yml

@@ -0,0 +1,22 @@
+version: "3"
+
+services:
+  traefik:
+    image: traefik:alpine
+    ports:
+      - 80:80
+      - 443:443
+    networks:
+      - web
+      - default
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ./traefik/traefik.toml:/traefik.toml
+      - ./shared_config/acme.json:/acme.json
+
+volumes:
+  nginx_cache:
+
+networks:
+  web:
+    external: true

docker-compose.yml

@@ -43,19 +43,6 @@ services:
       - traefik.enable=true
       - traefik.port=80
 
-  traefik:
-    image: traefik:alpine
-    ports:
-      - 80:80
-      - 443:443
-    networks:
-      - web
-      - default
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock
-      - ./traefik/traefik.toml:/traefik.toml
-      - ./shared_config/acme.json:/acme.json
-
 volumes:
   nginx_cache:
 

hooks.json

@@ -0,0 +1,8 @@
+[
+  {
+    "id": "deployupdate",
+    "execute-command":"/deployment.sh",
+    "command-working-directory": "/",
+    "response-message": "Pushing new updates to server."
+  }
+]

update.sh

@@ -3,5 +3,12 @@
 git reset --hard HEAD
 git pull
 touch shared_config/acme.json & chmod 600 shared_config/acme.json
+docker-compose down -f docker-compose.traefik.yml 
 docker-compose down
-docker-compose up --force-recreate --build -d
+docker-compose --project-name=blue stop
+docker-compose --project-name=green stop
+docker-compose up -f docker-compose.traefik.yml --force-recreate --build -d
+# docker-compose up --force-recreate --build -d
+chmod +x ./deployment.sh
+. ./deployment.sh # run in global?
+webhook -hooks hooks.json & # ensure installed: sudo apt-get install webhook