Run app locally

There are two options how to run application. Develop and deploy mode.
Both modes are using same docker volume (same database is loaded).

Pre requirements

Docker installed on your local machine. Tutorial, how to install Docker, can be found here.
Npm installed on your local machine. Tutorial, how to install Npm, can be found here.

General

Copy and rename .env.example to .env
Copy and rename client/.env.development.example to client/.env.development if you want to run app in develop mode
Copy and rename client/.env.production.example to client/.env.production if you want to run app in production mode
Fulfill missing values in those files.
To get value for ${REACT_APP_GOOGLE_API} follow these steps

Run app in develop mode:

This will just run db and pgadmin containers. React and server instances are running separately, outside of containers.

Change value of ${DB_HOST} from .env to: localhost
Run db and pgadmin containers in console: docker-compose -f docker-compose.dev.yml up -d
Run server in console: npm i && npm run server
Do not forget to adjust port of ${REACT_APP_BASE_URL} variable in client/.env.development file accordingly to ${SERVER_PORT} specified in .env file
Run client in console: cd client && npm i && cd .. && npm run client
App is available at: localhost:3000
Populate database. Tutorial is down bellow in section How to populate database

Run app in production mode:

This will run db, pgadmin, server and build react with disabled redux devtools.

Change value of ${DB_HOST} from .env to postgres.
Run db & pgadmin & server containers in console: docker-compose up -d.
App is available at: localhost:${SERVER_PORT}.
Populate database. Tutorial is down bellow in section How to populate database.

How to populate database

For correct application functioning, database has to be populated first. We will be using command line to accomplish that.

Pre requirements

application server is running in containers

From root directory, navigate to directory where exported data are located.

cd dummy

Then, copy data into running postgres container (for development mode use dev_postgres_container).

docker cp dbexport.sql postgres_container:/

Then, enter container (for development mode use dev_postgres_container).

docker exec -it postgres_container /bin/bash

If you would like to import data into already populated database, you have to first remove the existing table and then create new one. In container console drop existing database. (skip this step if you don't have created database yet)

dropdb -U ${DB_USER} ${DB_NAME}

Log into postgres server as user.

su - ${DB_USER}

Then create new database.

createdb ${DB_NAME}

Exit postgres server console.

exit

Populate database with new data.

psql -d ${DB_NAME} -U ${DB_USER} -f dbexport.sql

Now you can log into the application. Both, default name and password is: admin.

Access to postgres:

localhost:${DB_PORT}
Username: ${DB_USER}
Password: ${DB_PASSWORD}

Access to PgAdmin:

URL: http://localhost:${PGADMIN_PORT}
Username: ${PGADMIN_EMAIL}
Password: ${PGADMIN_PASSWORD}

Access to server in PgAdmin

Host name/address: postgres
Port: ${DB_PORT}
Username: ${DB_NAME}
Password: ${DB_PASSWORD}

Docker file explained

Docker file is located at root level of project and it is used only for deploy mode.

#Dockerfile
FROM node:latest

WORKDIR /server

COPY . ./

RUN npm install
RUN npm install --prefix client

CMD npm run build

At first, latest node is downloaded and /server working directory is created in newly created container. Into this working directory, whole source code is copied, expect for files specified in client/.dockerignore. These files are omitted. Then, node dependencies are installed into working directory for both, server and client instancies. Lastly, the npm run build command is called which is located in package.json. This command firstly build react application and then trigger server. When the server is started this way, the environment variable NODE_ENV is set to production and built version of react application is used.

Docker-compose explained

We are using two docker-compose files. The docker-compose.dev.yml for develop mode and docker-compose.yml for production mode, both located in root directory. Each compose files loads environment variables specified in .env file.

docker-compose config file explained

# docker-compose.dev.yml
version: "3.5"

# inspired by https://github.com/khezen/compose-postgres
services:
  postgres:
    container_name: postgres_container
    image: postgres:11
    environment:
      POSTGRES_USER: ${DB_USER}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      PGDATA: /data/postgres
    volumes:
      - postgres:/data/postgres
    ports:
      - "${DB_PORT}:5432"
    networks:
      - postgres
    restart: always

  pgadmin:
    container_name: pgadmin_container
    image: dpage/pgadmin4
    environment:
      PGADMIN_DEFAULT_EMAIL: ${PGADMIN_EMAIL}
      PGADMIN_DEFAULT_PASSWORD: ${PGADMIN_PASSWORD}
      PGADMIN_CONFIG_SERVER_MODE: "False"
    volumes:
      - pgadmin:/root/.pgadmin
    ports:
      - "${PGADMIN_PORT}:80"
    networks:
      - postgres
    restart: always

  server:
    container_name: server_container
    build:
      context: .
      dockerfile: Dockerfile
    depends_on:
      - postgres
    ports:
      - "${SERVER_PORT}:${SERVER_PORT}"
    networks:
      - postgres
    restart: always

networks:
  postgres:
    driver: bridge

volumes:
  postgres:
  pgadmin:

This compose configuration creates 3 containers, 1 network and 1 volume for storing persistent data. Every container is using the same network for communication with other containers. Each container, after failure, automatically restarts. Container postgres_container creates postgresql server, where the persistent data is stored in volume. There is also container pgadmin_container, which is sql client. Last container, named server_container, is where our main app is running. Instead of image it is using build, defined in Dockerfile, discussed in previous section.

docker-compose.dev.yml explained

The compose configuration for develop mode is very similar to one for deploy mode. Only difference is that, there is no server_container, because server and client are separate instances running out of docker.

How to build and deploy app on remote server using Jenkins pipeline

Pre requirements

You should have access to server with linux OS software installed on it. For example DigitalOcean cloud provider.
Nginx installed. Tutorial, how to install nginx on Ubuntu, can be found here.
Installed SSL certificate along with registered DNS. Tutorial can be found here.
Jenkins installed. Tutorial, how to install Jenkins on Ubuntu, can be found here.
Docker installed. Tutorial, how to install Docker on Ubuntu, can be found here.

Prepare your environment config files

Copy and rename .env.example to .env and set value of ${DB_HOST} to postgres.
Copy and rename client/.env.production.example to client/.env.production.
Fulfill missing values in those two files.
To get value for ${REACT_APP_GOOGLE_API} in client/.env.production, follow these steps.

Setup reverse proxy

Reverse proxy has to be set to forward access to Jenkins and application server. The ports specified in ./env has to match with those in nginx reverse proxy config.

First, navigate to available sites config directory.

cd /etc/nginx/sites-available/

Create config file. You can name it as you whish. Good practice is to name it the same way as your DNS address is. In our case, it is lora.fiit.stuba.sk.

touch lora.fiit.stuba.sk

Copy and paste the following code to newly created file. Change configuration of proxy_pass for each location to match ports specified in .env. Don't forget to also adjust server_name to match your DNS.

upstream jenkins {
  keepalive 32; # keepalive connections
  server 127.0.0.1:8080; # jenkins ip and port
}

# Required for Jenkins websocket agents
map $http_upgrade $connection_upgrade {
  default upgrade;
  '' close;
}

server {
  server_name     lora.fiit.stuba.sk www.lora.fiit.stuba.sk;

  # this is the jenkins web root directory
  # (mentioned in the /etc/default/jenkins file)
  root            /var/run/jenkins/war/;

  access_log      /var/log/nginx/jenkins/access.log;
  error_log       /var/log/nginx/jenkins/error.log;

  # pass through headers from Jenkins that Nginx considers invalid
  ignore_invalid_headers off;

  location /jenkins/ {
      autoindex on;
      sendfile off;
      proxy_pass         http://jenkins/jenkins/;
      proxy_redirect     default;
      proxy_http_version 1.1;

      # Required for Jenkins websocket agents
      proxy_set_header   Connection        $connection_upgrade;
      proxy_set_header   Upgrade           $http_upgrade;

      proxy_set_header   Host              $host;
      proxy_set_header   X-Real-IP         $remote_addr;
      proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
      proxy_set_header   X-Forwarded-Proto $scheme;
      proxy_max_temp_file_size 0;

      #this is the maximum upload size
      client_max_body_size       10m;
      client_body_buffer_size    128k;

      proxy_connect_timeout      90;
      proxy_send_timeout         90;
      proxy_read_timeout         90;
      proxy_buffering            off;
      proxy_request_buffering    off; # Required for HTTP CLI commands
      proxy_set_header Connection ""; # Clear for keepalive
   }

   location / {
      #Add serving gzipped files
      gzip_static on;
      gzip on;
      gzip_proxied    no-cache no-store private expired auth;
      gzip_min_length 256;
      gzip_types
      text/plain
      text/css
      application/json
      application/javascript
      text/xml
      application/xml
      application/xml+rss text/javascript
      application/atom+xml
      application/geo+json
      application/x-javascript
      application/ld+json
      application/manifest+json
      application/rdf+xml
      application/rss+xml
      application/xhtml+xml
      font/eot
      font/otf
      font/ttf
      image/svg+xml;

      proxy_pass http://127.0.0.1:5000/;
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Forwarded-Proto $scheme;

      # enable WebSockets
      proxy_http_version 1.1;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
   }

   listen 443 ssl; # managed by Certbot

   # SSL Configuration
   ssl_certificate /etc/letsencrypt/live/lora.fiit.stuba.sk/fullchain.pem; # managed by Certbot
   ssl_certificate_key /etc/letsencrypt/live/lora.fiit.stuba.sk/privkey.pem; # managed by Certbot
   include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
   ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}

# SSL redirect from HTTP to HTTPS

server {
    if ($host = lora.fiit.stuba.sk) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


    listen 80 ;
    server_name lora.fiit.stuba.sk www.lora.fiit.stuba.sk;
    return 404; # managed by Certbot
}

Save file and restart nginx service

sudo systemctl restart nginx

The Jenkins application should be accessible at lora.fiit.stuba.sk/jenkins. In your case it would be your DNS name instead of lora.fiit.stuba.sk.

Change default Jenkins home (optional)

When you want to change default home for Jenkins, you can change JENKINS_HOME variable. The guide is heavily inspired by this tutorial.

Create a new directory where ever you want to move the Jenkins home to. In our case it is /data/jenkins.

mkdir /data/jenkins

Change the ownership of newly created directory.

sudo chown jenkins:jenkins /data/jenkins

Copy the content from old Jenkins home directory, /var/lib/jenkins/ , to the new Jenkins home directory, /data/jenkins/ , using the following command.

sudo cp -prv /var/lib/jenkins /data/jenkins/

Next, change the Jenkins user home.

sudo usermod -d /data/jenkins/ jenkins

Update the new Jenkins home directory path in /etc/default/jenkins. You can use any editor of your choice. In our case, we are using vi.

sudo vi /etc/default/jenkins

Scroll down to the Jenkins home location and update the new home directory path.

# defaults for Jenkins automation server

# pulled in from the init script; makes things easier.
NAME=jenkins

# arguments to pass to java

# Allow graphs etc. to work even when an X server is present
JAVA_ARGS="-Djava.awt.headless=true"

#JAVA_ARGS="-Xmx256m"

# make jenkins listen on IPv4 address
#JAVA_ARGS="-Djava.net.preferIPv4Stack=true"

PIDFILE=/var/run/$NAME/$NAME.pid

# user and group to be invoked as (default to jenkins)
JENKINS_USER=$NAME
JENKINS_GROUP=$NAME

# location of the jenkins war file
JENKINS_WAR=/usr/share/$NAME/$NAME.war

# jenkins home location
JENKINS_HOME=/data/$NAME

# set this to false if you don't want Jenkins to run by itself
# in this set up, you are expected to provide a servlet container
# to host jenkins.
RUN_STANDALONE=true

Start the Jenkins service by using the following command.

sudo service jenkins start

Setup Jenkins pipeline

Visit Jenkins from your browser at lora.fiit.stuba.sk/jenkins.
Log into the application.
Navigate to Manage Jenkins button located in left side of the screen.
Click on Manage Credentials tab located in Security group.
Then, click on the (global) link located in table.
Click on the addCredentials button on the left side of the screen.
Choose Secret file option from Kind dropdown menu.
Upload fulfilled .env file and set ID field to env.
Repeat step 6 and then upload fulfilled client/.env.production file and set ID field to envClient.
Create another credentials but this time choose SSH Username with private key option from dropdown menu. Set ID field to lora-application-server-ssh. To get SSH keys for your repository (where the source code of application server is) follow this instructions.
From dashboard click on New Item button, located in left side of the screen.
Enter desired name, click on Pipeline button and confirm it clicking on OK button

To the Pipeline script paste following code

node {
  /*** 1 Pull new changes from git branch deploy ***/
    stage('Pull master branch'){
        git credentialsId: 'lora-application-server-ssh', url: 'git@github.com:danielhros/lora-application-server.git'
    }

    /*** 2 Add secret enviroment variables stored securely in Jenkins ***/
    stage('Add enviroment variables'){
      /* 2.1 Remove .env file if exists */
      sh 'rm -f -- .env'

      /* 2.2 Add .env file to server */
      withCredentials([file(credentialsId: 'env', variable: 'env')]) {
        sh "cp \$env ./"
    }

    /* 2.2 Add .env file to client */
      withCredentials([file(credentialsId: 'envClient', variable: 'envClient')]) {
        sh 'cp \$envClient client/.env.production'
    }
    }

    /*** 3 Build docker image ***/
    stage('Build docker image'){
      sh '(docker-compose build)'
    }


    /*** 4 Run docker image in production ***/
    stage('Run docker images'){
      sh '(docker-compose up -d)'
    }

    /*** 5 Clean after build ***/
    stage('Clean workspace'){
        sh 'docker system prune -f'
        cleanWs()
    }

}

Save changes and run your first pipeline
Congratulations! After the pipeline successfully build and deploy the application, your app is accessible at lora.fiit.stuba.sk.

Name		Name	Last commit message	Last commit date
Latest commit History 252 Commits
client		client
controllers		controllers
db		db
dummy		dummy
middleware		middleware
models		models
routes		routes
.dockerignore		.dockerignore
.env.example		.env.example
.gitignore		.gitignore
Dockerfile		Dockerfile
README.md		README.md
docker-compose.dev.yml		docker-compose.dev.yml
docker-compose.yml		docker-compose.yml
package-lock.json		package-lock.json
package.json		package.json
requests.rest		requests.rest
server.js		server.js

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Repository files navigation

Run app locally

Pre requirements

General

Run app in develop mode:

Run app in production mode:

How to populate database

Pre requirements

Access to postgres:

Access to PgAdmin:

Access to server in PgAdmin

Docker file explained

Docker-compose explained

docker-compose config file explained

docker-compose.dev.yml explained

How to build and deploy app on remote server using Jenkins pipeline

Pre requirements

Prepare your environment config files

Setup reverse proxy

Change default Jenkins home (optional)

Setup Jenkins pipeline

About

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loraalex/LoPET

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Repository files navigation

Run app locally

Pre requirements

General

Run app in develop mode:

Run app in production mode:

How to populate database

Pre requirements

Access to postgres:

Access to PgAdmin:

Access to server in PgAdmin

Docker file explained

Docker-compose explained

docker-compose config file explained

docker-compose.dev.yml explained

How to build and deploy app on remote server using Jenkins pipeline

Pre requirements

Prepare your environment config files

Setup reverse proxy

Change default Jenkins home (optional)

Setup Jenkins pipeline

About

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