Add docker files

Dockerfile

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+FROM alpine:latest
+
+RUN apk add nginx nginx-mod-rtmp
+
+COPY nginx.conf /etc/nginx
+
+CMD ["/usr/sbin/nginx"]

build.sh

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+#!/bin/sh
+
+docker build -t nginx-rtmp .

docker-compose.yml

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+services:
+  nginx:
+    image: nginx-rtmp
+    restart: always
+    expose:
+      - 1935:1935

nginx.conf

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+load_module modules/ngx_rtmp_module.so;
+
+user root root;
+worker_processes 2;
+pid /var/run/nginx.pid;
+daemon off;
+
+events {
+    worker_connections 2000;
+}
+
+rtmp {
+    server {
+        listen 1935;
+        chunk_size 8192;
+
+        application live {
+            live on;
+            record off;
+        }
+    }
+}