I installed that buildpack and now I get a 500 error
here the heroku log about the 500 error
heroku logs --tail
2021-10-13T13:09:03.054502+00:00 app[web.1]: - Gracefully stopping, waiting for requests to finish
2021-10-13T13:09:03.055406+00:00 app[web.1]: Exiting
2021-10-13T13:09:03.199188+00:00 heroku[web.1]: Process exited with status 143
2021-10-13T16:24:46.726598+00:00 heroku[web.1]: Unidling
2021-10-13T16:24:46.741221+00:00 heroku[web.1]: State changed from down to starting
2021-10-13T16:24:53.237151+00:00 heroku[web.1]: Starting process with command `bin/rails server -p ${PORT:-5000} -e production`
2021-10-13T16:24:56.217865+00:00 app[web.1]: => Booting Puma
2021-10-13T16:24:56.217928+00:00 app[web.1]: => Rails 6.1.4.1 application starting in production
2021-10-13T16:24:56.217929+00:00 app[web.1]: => Run `bin/rails server --help` for more startup options
2021-10-13T16:24:57.497322+00:00 app[web.1]: Puma starting in single mode...
2021-10-13T16:24:57.497344+00:00 app[web.1]: * Puma version: 5.5.0 (ruby 3.0.2-p107) ("Zawgyi")
2021-10-13T16:24:57.497345+00:00 app[web.1]: * Min threads: 5
2021-10-13T16:24:57.497345+00:00 app[web.1]: * Max threads: 5
2021-10-13T16:24:57.497345+00:00 app[web.1]: * Environment: production
2021-10-13T16:24:57.497346+00:00 app[web.1]: * PID: 4
2021-10-13T16:24:57.497650+00:00 app[web.1]: * Listening on http://0.0.0.0:7741
2021-10-13T16:24:57.504269+00:00 app[web.1]: Use Ctrl-C to stop
2021-10-13T16:24:57.769435+00:00 heroku[web.1]: State changed from starting to up
2021-10-13T16:24:58.797097+00:00 app[web.1]: I, [2021-10-13T16:24:58.797020 #4] INFO -- : [1275233c-0aad-4702-a82f-2629349238bd] Started GET "/" for 82.74.147.203 at 2021-10-13 16:24:58 +0000
2021-10-13T16:24:58.799042+00:00 app[web.1]: I, [2021-10-13T16:24:58.798984 #4] INFO -- : [1275233c-0aad-4702-a82f-2629349238bd] Processing by ArticlesController#index as HTML
2021-10-13T16:24:58.894599+00:00 app[web.1]: I, [2021-10-13T16:24:58.894516 #4] INFO -- : [1275233c-0aad-4702-a82f-2629349238bd] Rendered articles/index.html.erb within layouts/application (Duration: 85.6ms | Allocations: 10049)
2021-10-13T16:24:58.908638+00:00 app[web.1]: I, [2021-10-13T16:24:58.908518 #4] INFO -- : [1275233c-0aad-4702-a82f-2629349238bd] Rendered layout layouts/application.html.erb (Duration: 99.7ms | Allocations: 10931)
2021-10-13T16:24:58.909087+00:00 app[web.1]: I, [2021-10-13T16:24:58.909021 #4] INFO -- : [1275233c-0aad-4702-a82f-2629349238bd] Completed 200 OK in 110ms (Views: 102.3ms | ActiveRecord: 38.7ms | Allocations: 13077)
2021-10-13T16:24:58.914600+00:00 heroku[router]: at=info method=GET path="/" host=young-tundra-08170.herokuapp.com request_id=1275233c-0aad-4702-a82f-2629349238bd fwd="82.74.147.203" dyno=web.1 connect=0ms service=120ms status=200 bytes=4393 protocol=https
2021-10-13T16:24:59.080888+00:00 heroku[router]: at=info method=GET path="/assets/application-684a2f7174be6a08eb1230c5187e7a44b0876f9f2870b6e93efdf389fc3b4a37.css" host=young-tundra-08170.herokuapp.com request_id=ae41184f-a8d7-495b-b17a-7c63f3f625de fwd="82.74.147.203" dyno=web.1 connect=0ms service=3ms status=304 bytes=48 protocol=https
2021-10-13T16:24:59.194681+00:00 heroku[router]: at=info method=GET path="/packs/js/application-4e6b9d59f32a87b320bb.js" host=young-tundra-08170.herokuapp.com request_id=257b7385-3134-45b0-89a6-d50c84e07f5c fwd="82.74.147.203" dyno=web.1 connect=0ms service=1ms status=304 bytes=48 protocol=https
2021-10-13T16:24:59.303660+00:00 app[web.1]: I, [2021-10-13T16:24:59.303574 #4] INFO -- : [bb0af721-acf2-4c8c-bf2c-ecf4c6aa6765] Started GET "/assets/css/bootstrap.min.css" for 82.74.147.203 at 2021-10-13 16:24:59 +0000
2021-10-13T16:24:59.304554+00:00 app[web.1]: F, [2021-10-13T16:24:59.304508 #4] FATAL -- : [bb0af721-acf2-4c8c-bf2c-ecf4c6aa6765]
2021-10-13T16:24:59.304561+00:00 app[web.1]: [bb0af721-acf2-4c8c-bf2c-ecf4c6aa6765] ActionController::RoutingError (No route matches [GET] "/assets/css/bootstrap.min.css"):
2021-10-13T16:24:59.304562+00:00 app[web.1]: [bb0af721-acf2-4c8c-bf2c-ecf4c6aa6765]
2021-10-13T16:24:59.308844+00:00 heroku[router]: at=info method=GET path="/assets/css/bootstrap.min.css" host=young-tundra-08170.herokuapp.com request_id=bb0af721-acf2-4c8c-bf2c-ecf4c6aa6765 fwd="82.74.147.203" dyno=web.1 connect=0ms service=7ms status=404 bytes=1902 protocol=https
2021-10-13T16:24:59.353403+00:00 heroku[router]: at=info method=GET path="/assets/logo-3eefee9e9864dc15f5e52d331e27d271706f3c817cd805b084f509a1296276fb.png" host=young-tundra-08170.herokuapp.com request_id=61e04991-31ea-4efd-8e22-39338e99c221 fwd="82.74.147.203" dyno=web.1 connect=0ms service=1ms status=304 bytes=48 protocol=https
2021-10-13T16:24:59.415700+00:00 app[web.1]: I, [2021-10-13T16:24:59.415612 #4] INFO -- : [7de3a388-e595-42fa-96d8-3b1b6e990352] Started GET "/assets/css/font-awesome.min.css" for 82.74.147.203 at 2021-10-13 16:24:59 +0000
2021-10-13T16:24:59.416277+00:00 app[web.1]: F, [2021-10-13T16:24:59.416232 #4] FATAL -- : [7de3a388-e595-42fa-96d8-3b1b6e990352]
2021-10-13T16:24:59.416278+00:00 app[web.1]: [7de3a388-e595-42fa-96d8-3b1b6e990352] ActionController::RoutingError (No route matches [GET] "/assets/css/font-awesome.min.css"):
2021-10-13T16:24:59.416279+00:00 app[web.1]: [7de3a388-e595-42fa-96d8-3b1b6e990352]
2021-10-13T16:24:59.420589+00:00 heroku[router]: at=info method=GET path="/assets/css/font-awesome.min.css" host=young-tundra-08170.herokuapp.com request_id=7de3a388-e595-42fa-96d8-3b1b6e990352 fwd="82.74.147.203" dyno=web.1 connect=0ms service=2ms status=404 bytes=1902 protocol=https
2021-10-13T16:24:59.428441+00:00 app[web.1]: I, [2021-10-13T16:24:59.428389 #4] INFO -- : [deecd146-266e-44a4-8479-cb6bde9acfed] Started GET "/assets/css/classy-nav.css" for 82.74.147.203 at 2021-10-13 16:24:59 +0000
2021-10-13T16:24:59.428910+00:00 app[web.1]: F, [2021-10-13T16:24:59.428878 #4] FATAL -- : [deecd146-266e-44a4-8479-cb6bde9acfed]
2021-10-13T16:24:59.428912+00:00 app[web.1]: [deecd146-266e-44a4-8479-cb6bde9acfed] ActionController::RoutingError (No route matches [GET] "/assets/css/classy-nav.css"):
2021-10-13T16:24:59.428912+00:00 app[web.1]: [deecd146-266e-44a4-8479-cb6bde9acfed]
2021-10-13T16:24:59.430791+00:00 heroku[router]: at=info method=GET path="/assets/css/classy-nav.css" host=young-tundra-08170.herokuapp.com request_id=deecd146-266e-44a4-8479-cb6bde9acfed fwd="82.74.147.203" dyno=web.1 connect=0ms service=2ms status=404 bytes=1902 protocol=https
2021-10-13T16:24:59.437428+00:00 heroku[router]: at=info method=GET path="/assets/6-366855ea247b28cd1946873ca97db5acc0afe2c9f198bdfa4c36560cfa2e612f.jpg" host=young-tundra-08170.herokuapp.com request_id=a58e80e7-54aa-432d-b436-6c2e7fec6a35 fwd="82.74.147.203" dyno=web.1 connect=0ms service=3ms status=304 bytes=48 protocol=https
2021-10-13T16:24:59.445098+00:00 app[web.1]: I, [2021-10-13T16:24:59.445025 #4] INFO -- : [b739d501-ee21-4a3b-931c-d16fdb96483b] Started GET "/assets/css/animate.css" for 82.74.147.203 at 2021-10-13 16:24:59 +0000
2021-10-13T16:24:59.445598+00:00 app[web.1]: F, [2021-10-13T16:24:59.445555 #4] FATAL -- : [b739d501-ee21-4a3b-931c-d16fdb96483b]
2021-10-13T16:24:59.445599+00:00 app[web.1]: [b739d501-ee21-4a3b-931c-d16fdb96483b] ActionController::RoutingError (No route matches [GET] "/assets/css/animate.css"):
2021-10-13T16:24:59.445599+00:00 app[web.1]: [b739d501-ee21-4a3b-931c-d16fdb96483b]
2021-10-13T16:24:59.450701+00:00 heroku[router]: at=info method=GET path="/assets/css/animate.css" host=young-tundra-08170.herokuapp.com request_id=b739d501-ee21-4a3b-931c-d16fdb96483b fwd="82.74.147.203" dyno=web.1 connect=0ms service=6ms status=404 bytes=1902 protocol=https
2021-10-13T16:24:59.460126+00:00 app[web.1]: I, [2021-10-13T16:24:59.460074 #4] INFO -- : [2befa113-fbf8-4ad3-a53f-0a252fe284d8] Started GET "/assets/css/owl.carousel.css" for 82.74.147.203 at 2021-10-13 16:24:59 +0000
2021-10-13T16:24:59.460518+00:00 app[web.1]: F, [2021-10-13T16:24:59.460474 #4] FATAL -- : [2befa113-fbf8-4ad3-a53f-0a252fe284d8]
2021-10-13T16:24:59.460519+00:00 app[web.1]: [2befa113-fbf8-4ad3-a53f-0a252fe284d8] ActionController::RoutingError (No route matches [GET] "/assets/css/owl.carousel.css"):
2021-10-13T16:24:59.460520+00:00 app[web.1]: [2befa113-fbf8-4ad3-a53f-0a252fe284d8]
2021-10-13T16:24:59.465853+00:00 heroku[router]: at=info method=GET path="/assets/css/owl.carousel.css" host=young-tundra-08170.herokuapp.com request_id=2befa113-fbf8-4ad3-a53f-0a252fe284d8 fwd="82.74.147.203" dyno=web.1 connect=0ms service=2ms status=404 bytes=1902 protocol=https
2021-10-13T16:24:59.610825+00:00 heroku[router]: at=info method=GET path="/favicon.ico" host=young-tundra-08170.herokuapp.com request_id=ab5f5695-9d1d-4971-a7a0-959749046fcb fwd="82.74.147.203" dyno=web.1 connect=0ms service=1ms status=200 bytes=143 protocol=https
2021-10-13T16:24:59.612180+00:00 app[web.1]: I, [2021-10-13T16:24:59.612100 #4] INFO -- : [9fce676d-7223-4f6f-9c68-2def10cd0c97] Started GET "/assets/fonts/helveticaneue_medium-webfont.woff2" for 82.74.147.203 at 2021-10-13 16:24:59 +0000
2021-10-13T16:24:59.613087+00:00 app[web.1]: F, [2021-10-13T16:24:59.612955 #4] FATAL -- : [9fce676d-7223-4f6f-9c68-2def10cd0c97]
2021-10-13T16:24:59.613089+00:00 app[web.1]: [9fce676d-7223-4f6f-9c68-2def10cd0c97] ActionController::RoutingError (No route matches [GET] "/assets/fonts/helveticaneue_medium-webfont.woff2"):
2021-10-13T16:24:59.613089+00:00 app[web.1]: [9fce676d-7223-4f6f-9c68-2def10cd0c97]
2021-10-13T16:24:59.615174+00:00 heroku[router]: at=info method=GET path="/assets/fonts/helveticaneue_medium-webfont.woff2" host=young-tundra-08170.herokuapp.com request_id=9fce676d-7223-4f6f-9c68-2def10cd0c97 fwd="82.74.147.203" dyno=web.1 connect=0ms service=3ms status=404 bytes=1902 protocol=https
2021-10-13T16:24:59.733506+00:00 app[web.1]: I, [2021-10-13T16:24:59.733433 #4] INFO -- : [010529d8-6416-4f77-b37b-d0056ab84a99] Started GET "/assets/fonts/helveticaneue_medium-webfont.woff" for 82.74.147.203 at 2021-10-13 16:24:59 +0000
2021-10-13T16:24:59.734426+00:00 app[web.1]: F, [2021-10-13T16:24:59.734372 #4] FATAL -- : [010529d8-6416-4f77-b37b-d0056ab84a99]
2021-10-13T16:24:59.734427+00:00 app[web.1]: [010529d8-6416-4f77-b37b-d0056ab84a99] ActionController::RoutingError (No route matches [GET] "/assets/fonts/helveticaneue_medium-webfont.woff"):
2021-10-13T16:24:59.734428+00:00 app[web.1]: [010529d8-6416-4f77-b37b-d0056ab84a99]
2021-10-13T16:24:59.737759+00:00 heroku[router]: at=info method=GET path="/assets/fonts/helveticaneue_medium-webfont.woff" host=young-tundra-08170.herokuapp.com request_id=010529d8-6416-4f77-b37b-d0056ab84a99 fwd="82.74.147.203" dyno=web.1 connect=0ms service=7ms status=404 bytes=1902 protocol=https
2021-10-13T16:25:02.341640+00:00 app[web.1]: I, [2021-10-13T16:25:02.340563 #4] INFO -- : [f44c075b-363c-4e44-b169-7a817c65d0fc] Started GET "/articles/1" for 82.74.147.203 at 2021-10-13 16:25:02 +0000
2021-10-13T16:25:02.341689+00:00 app[web.1]: I, [2021-10-13T16:25:02.341638 #4] INFO -- : [f44c075b-363c-4e44-b169-7a817c65d0fc] Processing by ArticlesController#show as HTML
2021-10-13T16:25:02.341728+00:00 app[web.1]: I, [2021-10-13T16:25:02.341701 #4] INFO -- : [f44c075b-363c-4e44-b169-7a817c65d0fc] Parameters: {"id"=>"1"}
2021-10-13T16:25:02.386525+00:00 app[web.1]: I, [2021-10-13T16:25:02.386425 #4] INFO -- : [f44c075b-363c-4e44-b169-7a817c65d0fc] Rendered articles/show.html.erb within layouts/application (Duration: 15.5ms | Allocations: 3582)
2021-10-13T16:25:02.390893+00:00 app[web.1]: I, [2021-10-13T16:25:02.390820 #4] INFO -- : [f44c075b-363c-4e44-b169-7a817c65d0fc] Rendered layout layouts/application.html.erb (Duration: 19.9ms | Allocations: 3918)
2021-10-13T16:25:02.391235+00:00 app[web.1]: I, [2021-10-13T16:25:02.391168 #4] INFO -- : [f44c075b-363c-4e44-b169-7a817c65d0fc] Completed 200 OK in 49ms (Views: 18.3ms | ActiveRecord: 14.1ms | Allocations: 7496)
2021-10-13T16:25:02.397618+00:00 heroku[router]: at=info method=GET path="/articles/1" host=young-tundra-08170.herokuapp.com request_id=f44c075b-363c-4e44-b169-7a817c65d0fc fwd="82.74.147.203" dyno=web.1 connect=0ms service=58ms status=200 bytes=9270 protocol=https
2021-10-13T16:25:02.539191+00:00 heroku[router]: at=info method=GET path="/assets/b8-09505364a2ab56a13663b5b9d309834528348b0ad6808fe04c3a63c0f22f089d.jpg" host=young-tundra-08170.herokuapp.com request_id=0ac3f002-5b4a-43ae-a849-a76ac034daff fwd="82.74.147.203" dyno=web.1 connect=0ms service=2ms status=200 bytes=25016 protocol=https
2021-10-13T16:25:02.540200+00:00 heroku[router]: at=info method=GET path="/assets/b5-b626a09ff2bb91389eb073ae9275e9867359af0943086e3ae9ad7722d0ccb359.jpg" host=young-tundra-08170.herokuapp.com request_id=5404abba-73d6-4af8-baab-1d0dc18675b0 fwd="82.74.147.203" dyno=web.1 connect=0ms service=7ms status=200 bytes=163338 protocol=https
2021-10-13T16:25:02.543367+00:00 heroku[router]: at=info method=GET path="/assets/b6-3a9fef7920169e8eb62e183093ca0393ee03ebaee4d06ec5104933ee13bc2411.jpg" host=young-tundra-08170.herokuapp.com request_id=a68940d1-05d5-4003-ac60-419c9e044ebe fwd="82.74.147.203" dyno=web.1 connect=0ms service=2ms status=200 bytes=40725 protocol=https
2021-10-13T16:26:09.000000+00:00 app[api]: Build started by user r.wobben@home.nl
2021-10-13T16:27:05.100073+00:00 app[api]: Deploy 69dac514 by user r.wobben@home.nl
2021-10-13T16:27:05.100073+00:00 app[api]: Release v10 created by user r.wobben@home.nl
2021-10-13T16:27:05.604048+00:00 heroku[web.1]: Restarting
2021-10-13T16:27:05.708601+00:00 heroku[web.1]: State changed from up to starting
2021-10-13T16:27:06.422338+00:00 heroku[web.1]: Stopping all processes with SIGTERM
2021-10-13T16:27:06.910806+00:00 app[web.1]: - Gracefully stopping, waiting for requests to finish
2021-10-13T16:27:06.911581+00:00 app[web.1]: Exiting
2021-10-13T16:27:07.114901+00:00 heroku[web.1]: Process exited with status 143
2021-10-13T16:27:12.503132+00:00 heroku[web.1]: Starting process with command `npm start`
2021-10-13T16:27:13.398899+00:00 app[web.1]: npm ERR! missing script: start
2021-10-13T16:27:13.403120+00:00 app[web.1]:
2021-10-13T16:27:13.403277+00:00 app[web.1]: npm ERR! A complete log of this run can be found in:
2021-10-13T16:27:13.403330+00:00 app[web.1]: npm ERR! /app/.npm/_logs/2021-10-13T16_27_13_399Z-debug.log
2021-10-13T16:27:13.524162+00:00 heroku[web.1]: Process exited with status 1
2021-10-13T16:27:13.700392+00:00 heroku[web.1]: State changed from starting to crashed
2021-10-13T16:27:13.889944+00:00 heroku[web.1]: State changed from crashed to starting
2021-10-13T16:27:15.000000+00:00 app[api]: Build succeeded
2021-10-13T16:27:17.505970+00:00 heroku[web.1]: Starting process with command `npm start`
2021-10-13T16:27:19.564511+00:00 app[web.1]: npm ERR! missing script: start
2021-10-13T16:27:19.570218+00:00 app[web.1]:
2021-10-13T16:27:19.570417+00:00 app[web.1]: npm ERR! A complete log of this run can be found in:
2021-10-13T16:27:19.570483+00:00 app[web.1]: npm ERR! /app/.npm/_logs/2021-10-13T16_27_19_564Z-debug.log
2021-10-13T16:27:19.704517+00:00 heroku[web.1]: Process exited with status 1
2021-10-13T16:27:19.819797+00:00 heroku[web.1]: State changed from starting to crashed
2021-10-13T16:27:21.648428+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=young-tundra-08170.herokuapp.com request_id=080360b0-24ee-4ea3-9479-09bf2421f92f fwd="82.74.147.203" dyno= connect= service= status=503 bytes= protocol=https