Docker 502 bad gateway. Can’t seem to figure out w...

Docker 502 bad gateway. Can’t seem to figure out what is going wrong. 4. I haven't had any issues with my Docker container or NGINX until today where I am getting a random unexpected 502 Bad Gateway error even though I have made no changes to my configuration files, Day-1🚀 Built a Production-Style Containerized Web Application Today I designed and validated a production-style three-tier architecture locally using Docker. The problem is that nginx shows Bad Gateway error: Here is nginx conf: upstream example { server mystack_app1; 20 Bad Gateway 502 is typically a sign that your destination server is not responding. I have a server running docker-compose. What Causes 502 Bad Gateway? A 502 Bad Gateway in Nginx typically means: Nginx cannot reach the upstream service (backend). Docker-compose has 2 services: nginx (as a reverse proxy) and back (as an api that handles 2 requests). I want nginx to redirect I haven't had any issues with my Docker container or NGINX until today where I am getting a random unexpected 502 Bad Gateway error even though I have made no changes to my configuration files, Hi, I am new to Docker and created an image using pre-baked images nginx:alpine and php:fpm-alpine. The Step-by-step guide to resolve Docker 502 Bad Gateway on Ubuntu 22. js:3:5798) 问题分析 1. But you need to put all containers in the same network for that to work. 17. Hi, I’m quite new to docker and i’m trying to setup a server hosting Nginx proxy manager and a few websites/services. It seems running well, however, when I'm trying to access using After containerizing the application, I encountered the dreaded 502 Bad Gateway error from Nginx. One is running at 8080 port and the other is . For example now running nextcloud and wordpress. This comprehensive guide will help you troubleshoot and resolve this common problem, so you can get your Docker containers This is especially handy if you're using these during development, since docker-compose let you quickly start all the containers and manage them through a single interface. Hi, I am new to Docker and created an image using pre-baked images nginx:alpine and php:fpm-alpine. By following these steps, you’ll resolve the 502 Bad Gateway error and ensure reliable communication between your Nginx Docker container and upstream service on port 8080. 04. Here's a Docker nginx reverse proxy gives "502 Bad Gateway" [closed] Asked 8 years, 3 months ago Modified 2 years, 2 months ago Viewed 157k times No clue what Im doing this is my first time using a docker container but no matter what I put for the ports, I always get 502 bad gateway when trying to access it How to configure NGINX to avoid 502 Bad Gateway when communicates with a Docker container? Posted on October 12, 2019 Ubuntu 18. Since this question has gotten lots of views, the other reason lots of people see a 502 from traefik is placing the containers on a different docker network from the traefik instance, or having a container I'm encountering a 502 Bad Gateway error when attempting to access my services through a Docker Compose setup with Nginx acting as a reverse proxy. Root Cause: Containers on different Docker networks can’t communicate using service names due to Another behaviour happens where login fails with a 502 Bad Gateway error. The symptoms were consistent: My first instinct was to blame the usual suspects: These Hi, I am new to Docker and created an image using pre-baked images nginx:alpine and php:fpm-alpine. All services are in exited state because /opt/dellemc/cr/etc/certs/ssl directory has incorrect permissions: CSDN问答为您找到Nginx反向代理配置后为何返回502 Bad Gateway？相关问题答案，如果想了解更多关于Nginx反向代理配置后为何返回502 Bad Gateway？青少年编程技术问题等相关问答，请访 Watch short videos about 502 bad gateway nginx from people around the world. 🔹 Tech Stack: * Nginx (Reverse at XMLHttpRequest. x) Support Access Management Vladislav_Nikolskiy February 25, 2026, 8:01am It seems running well, however, when I'm trying to access using my browser, nginx tells bt a 502 bad gateway response. Hi, I am new to Docker and created an image using pre-baked images nginx:alpine and php:fpm-alpine. Click here to read more. Learn how to fix NGINX 502 Bad Gateway errors in Docker in 3 easy steps. E (request-BdhJx_rg. I want nginx to SAML SP SSO fails with HTTP 502 Bad Gateway when Request Signature is enabled (Gravitee AM v4. I'm figuring out it can be a problem related Problem: Nginx returning 502 Bad Gateway errors in Docker despite services running correctly. Another If that is the case you could try to change localhost to their containername and use Docker-dns. docker. All services are behind the same nginx reverse proxy container that encrypts with letsencrypt and splits the incoming traffic based on subdom and docker 8081 -> 8080 But response always return 502 Bad Gateway What am i missing? + I am currently running two nginxs on the same server. 1:81 (if you are running Docker on Linux) or host. internal:81 (if you are running Docker on Nginx in docker throws 502 Bad Gateway Asked 5 years, 9 months ago Modified 4 years, 4 months ago Viewed 5k times I’m getting 502 bad gateway errors when NGINX config looks good. In addition, there is a database that is not located To connect to host’s port 81 (=outside the container) from within the container you can use 172. Here is docker-compose: version: ‘3’ services: #PHP Service app: build: context: . These are two containers and connected them via internal network bridge. 502 Bad Gateway 错误含义 502 Bad Gateway 表示 Nginx 作为反向代理无法连接到后端服务。常见原因包括：后端容器未启动或已崩溃 Hi, I’m quite new to docker and i’m trying to setup a server hosting Nginx proxy manager and a few websites/services. 0. Here are different troubleshooting tips to resolve the Nginx 502 Bad Gateway Docker error. 04 Nginx I have docker stack running 2 containers, first is Nginx, second - application. I assume your other services are Docker container as well? If that is the case you could try to change localhost to I am running a set of services in a Docker environment.

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