start at geo-db

Dockerfile

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+FROM python:3.11-slim
+
+RUN apt-get update && apt-get install -y libpq-dev gcc \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+COPY app/requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app/ .
+
+CMD ["python", "main.py"]

app/main.py

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+import os
+import psycopg2
+import time
+
+
+DB_USER = os.getenv("POSTGRES_USER");
+DB_PASSWWORD = os.getenv("POSTGRES_PASSWORD");
+DB_NAME = os.getenv("POSTGRES_DB");
+DB_HOST = os.getenv("POSTGRES_HOST");
+
+
+
+def connect_db():
+    while True:
+        try:
+            conn = psycopg2.connect(
+                host=DB_HOST,
+                database=DB_NAME,
+                user=DB_USER,
+                password=DB_PASSWWORD
+            )
+            print("Connected to the database successfully!")
+            return conn
+        except psycopg2.OperationalError as e:
+            print(f"Database connection failed: {e}")
+            time.sleep(3)
+
+
+
+if __name__ == "__main__":
+    print("starting app.")
+    # conn = connect_db();
+    # cursor = conn.cursor()
+    # cursor.execute("SELECT postgis_full_version();")
+
+    # print("obst", cursor.fetchone());
+
+

app/requirements.txt

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+psycopg2-binary==2.9.3
+SQLAlchemy==1.4.36

docker-compose.yml

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+services:
+  geo-db-postgis:
+    image: postgis/postgis:15-3.3
+    container_name: geo-db-postgis
+    environment:
+      POSTGRES_USER: ${GEODB_USER}
+      POSTGRES_PASSWORD: ${GEODB_PW}
+      POSTGRES_DB: ${GEODB_NAME}
+    ports:
+      - "127.0.0.1:5432:5432"
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    networks:
+      - backend
+
+
+
+
+  app:
+    build: .
+    container_name: geo-app
+    environment:
+      PYTHONUNBUFFERED: 1
+      POSTGRES_USER: ${GEODB_USER}
+      POSTGRES_PASSWORD: ${GEODB_PW}
+      POSTGRES_DB: ${GEODB_NAME}
+      POSTGRES_HOST: geo-db-postgis
+    depends_on:
+      - geo-db-postgis
+    networks:
+      - backend
+
+
+
+volumes:
+  pgdata:
+    driver: local
+
+networks:
+  backend:
+    driver: bridge
+    external: true

sentinel.py

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+import requests
+
+
+class Sentinel:
+    def __init__ (self, user, pw,
+                  id="cdse-public",
+                  type="password",
+                  auth_url="https://identity.dataspace.copernicus.eu/auth/realms/CDSE/protocol/openid-connect/token"
+                  ):
+
+        self.user = user;
+        self.password = pw;
+        self.auth_url = auth_url;
+
+
+        self.login_data = {
+            "client_id": id,
+            "username": self.user,
+            "password": self.password,
+            "grant_type": type,
+        }
+
+    
+    def login(self):
+        response = requests.post(self.auth_url, data=self.login_data);
+        self.access_token = response.json()["access_token"];
+        print(f"Login with user {self.user} successful.");
+
+
+
+if __name__ == "__main__":
+    sat = Sentinel("test", "endex");
+    sat.login();
+
+    
+
+
+