feat: add dockerfile and docker-compose

.dockerignore

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+.git
+.gitignore
+.github
+.vscode
+.editorconfig
+.dockerignore
+.angular
+.electron
+.husky
+Dockerfile
+README.md
+dist
+e2e
+node_modules
+screenshots
+test-results
+coverage
+build
+release

docker/Dockerfile

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+# Stage 1 - build environment
+FROM node:16-alpine AS build
+
+RUN apk add --no-cache python3 make g++
+
+# Create app directory
+WORKDIR /usr/src/app
+
+# Swtich to node user
+#RUN chown node:node ./
+#USER node
+
+COPY package*.json ./
+
+# Install app dependencies
+RUN npm ci && npm cache clean --force
+
+# Copy all required files
+COPY . .
+
+# Build the application
+RUN npm run build:web
+
+# Stage 2 - the production environment
+FROM nginx:stable-alpine
+
+# Copy artifacts and nignx.conf
+COPY --from=build /usr/src/app/dist/ /usr/share/nginx/html
+COPY --from=build /usr/src/app/docker/nginx.conf /etc/nginx/conf.d/default.conf
+
+CMD sed -i "s/localhost:3333/localhost:$BACKEND_PORT/g" /usr/share/nginx/html/main.*.js && nginx -g 'daemon off;'

docker/README.md

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+# Self-hosted version of IPTVnator
+
+You can deploy and run the PWA version of IPTVnator on your own machine with `docker-compose` using the following command:
+
+    $ cd docker
+    $ docker-compose run -d
+
+This command will launch the frontend and backend applications. By default, the application will be available at: http://localhost:4333/. The ports can be configured in the `docker-compose.yml` file.
+
+## Build frontend 
+
+    $ docker build -t 4gray/iptvnator -f docker/Dockerfile .
+
+## Build backend
+
+You can find the backend app with all instructions in a separate GitHub repository - https://github.com/4gray/iptvnator-backend

docker/docker-compose.yml

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+version: '3'
+
+services:
+  backend:
+    image: 4gray/iptvnator-backend:latest
+    ports:
+      - "7333:3000"
+    environment:
+      - CLIENT_URL=http://localhost:4333
+      
+  frontend: 
+    image: 4gray/iptvnator:latest
+    ports:
+      - "4333:80" #this one should match with the port in CLIENT_URL env
+    environment:
+      - BACKEND_PORT=7333 # this one should match with the exposed port of the backend service
+      

docker/nginx.conf

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+server {
+  listen 80;
+  
+  location / {
+    root /usr/share/nginx/html;
+    index index.html index.htm;
+    try_files $uri $uri/ /index.html =404;
+  }
+  
+  include /etc/nginx/extra-conf.d/*.conf;
+}