Create the next app with updated files by rebuilding it while utilizing express as the server

Question

Create the next app with updated files by rebuilding it while utilizing express as the server

I'm currently utilizing the combination of Next.js and Express.js in my project. In this setup, Express handles all the routing tasks instead of Next.js.

For a smoother development experience, I require a process where whenever a file is modified, Next.js automatically rebuilds the application and then reloads the Express server. This way, I can view my updates in the browser without having to manually trigger the build process for Next.js.

Solely relying on nodemon proves insufficient as it only triggers the reloading of the Express server, but does not initiate the rebuilding of the Next.js application.

express next.js nodemon

Answer 1

Answer №1

In a previous project, I utilized fswatch for a similar purpose. This tool is cross-platform and offers extensive support with numerous options. Without specific details about the commands required in your scenario, a generic approach for *nix-like systems could be:

fswatch -0 next_project_path | while read -d "" event \
   do \
     // ${event} will contain info on file system changes
     ... define necessary steps for rebuilding your application...
     [...]
     ... perform actions to reload your express server...
   
   done

To address the potential issue of new events triggering commands before previous executions are complete, I handled this by implementing a solution like this, where all related process IDs from the prior run were terminated before starting the next one.

reload_project() {
  # ... reload next ...
  # ... reload express ...
}
fswatch ts |

while read; do
    [...]

    
    pids=$(ps -ef | grep -E "next|express|whatever" | grep -v grep | awk '{print $2}')

    
    if [ -n "$pids" ]; then
        kill -9 $pids &> /dev/null
    fi

    reload_project &
done

Answer 2

In a previous project, I utilized fswatch for a similar purpose. This tool is cross-platform and offers extensive support with numerous options. Without specific details about the commands required in your scenario, a generic approach for *nix-like systems could be:

fswatch -0 next_project_path | while read -d "" event \
   do \
     // ${event} will contain info on file system changes
     ... define necessary steps for rebuilding your application...
     [...]
     ... perform actions to reload your express server...
   
   done

To address the potential issue of new events triggering commands before previous executions are complete, I handled this by implementing a solution like this, where all related process IDs from the prior run were terminated before starting the next one.

reload_project() {
  # ... reload next ...
  # ... reload express ...
}
fswatch ts |

while read; do
    [...]

    
    pids=$(ps -ef | grep -E "next|express|whatever" | grep -v grep | awk '{print $2}')

    
    if [ -n "$pids" ]; then
        kill -9 $pids &> /dev/null
    fi

    reload_project &
done

Answer 3

Answer №2

The mistake I made was using nodemon with the NODE_ENV=production command, which looked like this:

NODE_ENV=production nodemon src/server.js

.

Once I removed the production environment setting, the issue was resolved. Now simply running nodemon src/server.js triggers the build process and reloads the server afterwards.

Answer 4

The mistake I made was using nodemon with the NODE_ENV=production command, which looked like this:

NODE_ENV=production nodemon src/server.js

.

Once I removed the production environment setting, the issue was resolved. Now simply running nodemon src/server.js triggers the build process and reloads the server afterwards.

Create the next app with updated files by rebuilding it while utilizing express as the server

Answer №1

Answer №2

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