✨ Create web-nest systemd service

code/backend/nest_backend/app.py

@@ -1,7 +1,6 @@
 from flask import Flask
 from flask_cors import CORS as FlaskCORS
 from flask_jwt_extended import JWTManager as FlaskJWTManager
-from flask_sqlalchemy import SQLAlchemy as FlaskSQLAlchemy
 from werkzeug.middleware.proxy_fix import ProxyFix as MiddlewareProxyFix
 
 from . import database, routes, gestione, swagger
@@ -107,5 +106,4 @@ app.register_error_handler(
 
 # --- REVERSE PROXY ---
 
-if not __debug__:
-    app = MiddlewareProxyFix(app=app, x_for=1, x_proto=0, x_host=1, x_port=0, x_prefix=0)
+rp_app = MiddlewareProxyFix(app=app, x_for=1, x_proto=0, x_host=1, x_port=0, x_prefix=0)

code/backend/poetry.lock

@@ -222,6 +222,20 @@ python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
 [package.extras]
 docs = ["sphinx"]
 
+[[package]]
+name = "gunicorn"
+version = "20.1.0"
+description = "WSGI HTTP Server for UNIX"
+category = "main"
+optional = false
+python-versions = ">=3.5"
+
+[package.extras]
+eventlet = ["eventlet (>=0.24.1)"]
+gevent = ["gevent (>=1.4.0)"]
+setproctitle = ["setproctitle"]
+tornado = ["tornado (>=0.2)"]
+
 [[package]]
 name = "idna"
 version = "2.10"
@@ -798,7 +812,7 @@ watchdog = ["watchdog"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8.5"
-content-hash = "9c4f3517887f1d12fc4196119a7d3398fa61a5214809fcfd1a324d87ca8baeaf"
+content-hash = "1ac47344a839aae5a929d7ce9914f62c76c1a591bc88dabb819fe15814f40031"
 
 [metadata.files]
 alabaster = [
@@ -963,6 +977,10 @@ greenlet = [
     { file = "greenlet-1.1.0-cp39-cp39-win_amd64.whl", hash = "sha256:aa4230234d02e6f32f189fd40b59d5a968fe77e80f59c9c933384fe8ba535535" },
     { file = "greenlet-1.1.0.tar.gz", hash = "sha256:c87df8ae3f01ffb4483c796fe1b15232ce2b219f0b18126948616224d3f658ee" },
 ]
+gunicorn = [
+    { file = "gunicorn-20.1.0-py3-none-any.whl", hash = "sha256:9dcc4547dbb1cb284accfb15ab5667a0e5d1881cc443e0677b4882a4067a807e" },
+    { file = "gunicorn-20.1.0.tar.gz", hash = "sha256:e0a968b5ba15f8a328fdfd7ab1fcb5af4470c28aaf7e55df02a99bc13138e6e8" },
+]
 idna = [
     { file = "idna-2.10-py2.py3-none-any.whl", hash = "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0" },
     { file = "idna-2.10.tar.gz", hash = "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6" },

code/backend/pyproject.toml

@@ -28,6 +28,7 @@ openapi-spec-validator = "^0.3.0"
 flask-swagger-ui = "^3.36.0"
 tweepy = "^3.10.0"
 nltk = "^3.6.2"
+gunicorn = "^20.1.0"
 
 [tool.poetry.dev-dependencies]
 pytest = "^6.2.3"

code/backend/web-nest.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=N.E.S.T. Backend Webserver
+Wants=network-online.target postgresql.service
+After=network-online.target nss-lookup.target postgresql.service
+
+[Service]
+Type=exec
+User=nest
+Group=nest
+# Cambia questa riga alla tua directory di installazione
+WorkingDirectory=/srv/nest
+# Cambia questa riga al tuo venv
+ExecStart=/srv/nest/venv/bin/gunicorn -b 127.0.0.1:5000 --env "FLASK_CONFIG=/srv/nest/config.py" nest_backend.app:rp_app
+
+[Install]
+WantedBy=multi-user.target