Set secure cookie from container behind traefik

Traefik Traefik v2
,
1

I've two containers setup from separate docker-compose.yml files.
Traefik:

version: "3.3"

services:

  traefik:
    image: "traefik:v2.3"
    container_name: "traefik"
    command:
      - "--log.level=DEBUG"
      - "--api=true"
      - "--api.dashboard=true"
      - "--providers.docker=true"
      - "--providers.docker.exposedbydefault=false"
      - "--entrypoints.web.address=:80"
      - "--entrypoints.websecure.address=:443"
      - "--entrypoints.web.http.redirections.entrypoint.to=websecure"
      - "--entrypoints.web.http.redirections.entrypoint.scheme=https"
      - "--certificatesresolvers.myresolver.acme.httpchallenge.entrypoint=web"
      - "--certificatesresolvers.myresolver.acme.email=MY@EMAIL.COM"
      - "--certificatesresolvers.myresolver.acme.storage=/letsencrypt/acme.json"
      
    networks:
      - web
    ports:
      - "80:80"
      - "443:443"
      - "8080:8080"
    volumes:
      - "./letsencrypt:/letsencrypt"
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.dashboard.rule=Host(`monitor.MYDOMAIN.COM`)"
      - "traefik.http.routers.dashboard.service=api@internal"
      - "traefik.http.routers.dashboard.entrypoints=websecure"
      - "traefik.http.routers.dashboard.tls.certresolver=myresolver"
      - "traefik.http.routers.dashboard.tls=true"
      - "traefik.http.routers.dashboard.middlewares=auth"      
      - "traefik.docker.network=web"
      - "traefik.http.middlewares.auth.basicauth.users=USER:PASS" 

networks:
  web:
    external: true

And strapi:

version: '3'
services:
  strapi:
    image: strapi/strapi
    environment:
      DATABASE_CLIENT: mongo
      DATABASE_NAME: strapi
      DATABASE_HOST: mongo
      DATABASE_PORT: 27017
      DATABASE_USERNAME: strapi
      DATABASE_PASSWORD: strapi
    links:
      - mongo:mongo
    volumes:
      - ./app:/srv/app
    ports:
      - "1337:1337"
    labels:
      - "traefik.docker.network=web"
      - "traefik.enable=true"
      - "traefik.basic.port=1337"
      - "traefik.basic.protocol=https"
      - "traefik.http.routers.strapi.rule=Host(`cms.MYDOMAIN.COM`)"
      - "traefik.http.routers.strapi.entrypoints=websecure"
      - "traefik.http.routers.strapi.tls.certresolver=myresolver"
      - "traefik.tcp.routers.strapi.tls.passthrough=true"
    networks:
      - web
  mongo:
    image: mongo
    environment:
      MONGO_INITDB_ROOT_USERNAME: USER
      MONGO_INITDB_ROOT_PASSWORD: PASS
    volumes:
      - ./data/db:/data/db
    ports:
      - '27017:27017'
    networks:
      - web
    labels:
      - "traefik.docker.network=web"
      - "traefik.enable=true"
      - "traefik.basic.port=27017"
      - "traefik.basic.protocol=http"
networks:
  web:
    external: true

Everything works fine (correct certificates, connection via https) until I try to set a secure cookie from strapi. Than I have following error:

strapi_1_8d6726e61bc7 | [2021-01-17T17:09:24.915Z] error Error: Cannot send secure cookie over unencrypted connection
strapi_1_8d6726e61bc7 |     at Cookies.set (/srv/app/node_modules/cookies/index.js:94:11)
strapi_1_8d6726e61bc7 |     at Object.callback (/srv/app/extensions/users-permissions/controllers/Auth.js:136:21)
strapi_1_8d6726e61bc7 |     at async /srv/app/node_modules/strapi/lib/middlewares/router/utils/routerChecker.js:79:22
strapi_1_8d6726e61bc7 |     at async module.exports (/srv/app/extensions/users-permissions/config/policies/permissions.js:88:3)
strapi_1_8d6726e61bc7 |     at async /srv/app/node_modules/strapi-utils/lib/policy.js:68:5
strapi_1_8d6726e61bc7 |     at async /srv/app/node_modules/strapi/lib/middlewares/parser/index.js:48:23
strapi_1_8d6726e61bc7 |     at async /srv/app/node_modules/strapi/lib/middlewares/xss/index.js:26:9

Is there any solution for this?

2

Some software needs special configuration for deployment behind a reverse-proxy.

Check the documentation of the product.

3

You are absolutely right :slight_smile: I feel stupid now, but adding "proxy:true" to strapi configuration fixed the problem :man_facepalming:

4

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