docker-compose: added traefik

.dockerignore

@@ -4,3 +4,4 @@
 .gitignore
 node_modules
 mongo
+mongo-volume

.gitignore

@@ -37,3 +37,4 @@ next-env.d.ts
 postgres
 
 mongo
+mongo-volume

app/lib/auth.ts

@@ -38,6 +38,7 @@ const authConfig: NextAuthConfig = {
       }),
    ],
    secret: process.env.AUTH_SECRET,
+   trustHost: true, // needs to be set to false for the NextJS to work behing Traefik
    session: {
       // Use JSON Web Tokens for session instead of database sessions.
       // This option can be used with or without a database for users/accounts.

docker-compose-deploy.yml

@@ -1,19 +1,35 @@
 # this compose file runs Postgres db and exposes it's port to the host machine
 version: "3.7"
 
+networks:
+  traefik-network:
+    name: "traefik-network"
+
 services:
   web-app:
     image: utility-bills-tracker:1.0.0
-    ports:
+    networks:
-      - 3000:3000
+      - traefik-network # komunikacija sa Traefikom
     environment:
       MONGODB_URI: mongodb://root:example@mongo:27017/
       GOOGLE_ID: 355397364527-adjrokm6hromcaaar0qfhk050mfr35ou.apps.googleusercontent.com
       GOOGLE_SECRET: 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
       AUTH_SECRET: Gh0jQ35oq6DR8HkLR3heA8EaEDtxYN/xkP6blvukZ0w=
-      HOSTNAME: ${HOSTNAME:-0.0.0.0} # IP address at which the server will be listening (0.0.0.0 = listen on all addresses)
+      # HOSTNAME: rezije.localhost # IP address at which the server will be listening (0.0.0.0 = listen on all addresses)
-      NEXTAUTH_URL: ${NEXTAUTH_URL:-http://localhost:3000} # URL next-auth will use while redirecting user during authentication (if not set - will use HOSTNAME)
+      EXTAUTH_URL: ${HOSTNAME:-http://rezije.localhost:3000) # URL next-auth will use while redirecting user during authentication (if not set - will use HOSTNAME)
       PORT: ${PORT:-3000}
+    deploy:
+      # u slucaju rušenja kontejnera čekamo 5s i dižemo novi kontejner => ako se i on sruši opet ceka 5s i pokusava ponovno (tako 5 puta)
+      restart_policy:
+        condition: any
+        delay: 5s
+        max_attempts: 0 # u slučaju rušenja containera pokušavaj ga pokrenuti dok ne uspije = BESKONAČNO
+      labels:
+        - traefik.enable=true
+        - traefik.docker.network=traefik-network # mreže preko koje ide komunikacija sa Traefikom
+        - traefik.http.services.web-app.loadbalancer.server.port=3000
+        - traefik.http.routers.web-app.entrypoints=http
+        - traefik.http.routers.web-app.rule=Host(`${FQDN:-rezije.localhost)`)
   mongo:
     image: mongo:6.0.12
     environment:
@@ -23,10 +39,48 @@ services:
       - ./mongo-volume:/data/db
   mongo-express:
     image: mongo-express
-    ports:
-      - 8081:8081
     environment:
       ME_CONFIG_MONGODB_ADMINUSERNAME: root
       ME_CONFIG_MONGODB_ADMINPASSWORD: example
       ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/
+    networks:
+      - traefik-network # komunikacija sa Traefikom
+    deploy:
+      # u slucaju rušenja kontejnera čekamo 5s i dižemo novi kontejner => ako se i on sruši opet ceka 5s i pokusava ponovno (tako 5 puta)
+      restart_policy:
+        condition: any
+        delay: 5s
+        max_attempts: 0 # u slučaju rušenja containera pokušavaj ga pokrenuti dok ne uspije = BESKONAČNO
+      labels:
+        - traefik.enable=true
+        - traefik.docker.network=traefik-network # mreže preko koje ide komunikacija sa Traefikom
+        - traefik.http.services.mongo-express.loadbalancer.server.port=8001
+        - traefik.http.routers.mongo-express.entrypoints=http
+        - traefik.http.routers.mongo-express.rule=Host(`mongo.localhost`)
+
+  reverse-proxy:
+    image: traefik:v2.3
+    command:
+        # Traefik web konzoli se pristupa preko HTTP, a ne HTTPS
+        - --api.insecure=true
+        - --providers.docker
+        # activates the Swarm Mode (instead of standalone Docker).
+        # - kada je `false` neće detektirati containere kada se pokrene sa `docker-compose up`
+        - --providers.docker.swarmMode=true
+        # prikazuj samo containere koji su nakačeni na Traefik
+        - --providers.docker.exposedByDefault=false
+        # "ping" omogućujemo za potrebe healthcheck-a
+        - --ping=true
+        - --ping.entryPoint=traefik
+        #- --accesslog=true
+        #- --log.level=DEBUG
+        - --entryPoints.http.address=:3000
+    ports:
+        - "3001:3000"
+        - "8080:8080"
+    volumes:
+        # So that Traefik can listen to the Docker events
+        - /var/run/docker.sock:/var/run/docker.sock
+    networks:
+        - traefik-network