diff --git a/.gitignore b/.gitignore
index c32beb1..35eaf1c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -169,3 +169,6 @@ data/silver/weather_forecasts/*.nc
 data/geo/*.nc
 .vscode/settings.json
 data/bronze/observations/*.csv.gz
+
+#Docker volumes
+postgres/postgres_volume/*
\ No newline at end of file
diff --git a/data/gold/our_tempo_prediction.csv b/data/gold/our_tempo_prediction.csv
index 29b71a3..aa6df61 100644
--- a/data/gold/our_tempo_prediction.csv
+++ b/data/gold/our_tempo_prediction.csv
@@ -1,49 +1,84 @@
 ,Type_de_jour_TEMPO,our_tempo_J-1,our_tempo_J-2,our_tempo_J-3
-2024-09-01,BLUE,prediction_bleu,,
-2024-09-02,BLUE,prediction_bleu,,
-2024-09-03,BLUE,prediction_bleu,,
-2024-09-04,BLUE,prediction_bleu,,
-2024-09-05,BLUE,prediction_bleu,,
-2024-09-06,BLUE,prediction_bleu,,
-2024-09-07,BLUE,prediction_bleu,,
-2024-09-08,BLUE,prediction_bleu,,
-2024-09-09,BLUE,prediction_bleu,,
-2024-09-10,BLUE,prediction_bleu,,
-2024-09-11,BLUE,prediction_bleu,,
-2024-09-12,BLUE,prediction_bleu,,
-2024-09-13,BLUE,prediction_bleu,,
-2024-09-14,BLUE,prediction_bleu,,
-2024-09-15,BLUE,prediction_bleu,,
-2024-09-16,BLUE,prediction_bleu,,
-2024-09-17,BLUE,prediction_bleu,,
-2024-09-18,BLUE,prediction_bleu,,
-2024-09-19,BLUE,prediction_bleu,,
-2024-09-20,BLUE,prediction_bleu,,
-2024-09-21,BLUE,prediction_bleu,,
-2024-09-22,BLUE,prediction_bleu,,
-2024-09-23,BLUE,prediction_bleu,,
-2024-09-24,BLUE,prediction_bleu,,
-2024-09-25,BLUE,prediction_bleu,,
-2024-09-26,BLUE,prediction_bleu,,
-2024-09-27,BLUE,prediction_bleu,,
-2024-09-28,BLUE,prediction_bleu,,
-2024-09-29,BLUE,prediction_bleu,,
-2024-09-30,BLUE,prediction_bleu,,
-2024-10-01,BLUE,prediction_bleu,,
-2024-10-02,BLUE,prediction_bleu,,
-2024-10-03,BLUE,prediction_bleu,,
-2024-10-04,BLUE,prediction_bleu,,
-2024-10-05,BLUE,prediction_bleu,,
-2024-10-06,BLUE,prediction_bleu,,
-2024-10-07,BLUE,prediction_bleu,,
-2024-10-08,BLUE,prediction_bleu,,
-2024-10-09,BLUE,prediction_bleu,prediction_bleu,prediction_bleu
-2024-10-10,BLUE,prediction_bleu,prediction_bleu,prediction_bleu
-2024-10-11,BLUE,prediction_bleu,prediction_bleu,prediction_bleu
-2024-10-12,BLUE,prediction_bleu,prediction_bleu,prediction_bleu
-2024-10-13,BLUE,prediction_bleu,prediction_bleu,prediction_bleu
-2024-10-14,BLUE,prediction_bleu,,
-2024-10-15,BLUE,prediction_bleu,,
-2024-10-16,BLUE,prediction_bleu,prediction_bleu,
-2024-10-17,,,prediction_bleu,prediction_bleu
-2024-10-18,,,,prediction_bleu
+2024-09-01,BLUE,BLUE,,
+2024-09-02,BLUE,BLUE,,
+2024-09-03,BLUE,BLUE,,
+2024-09-04,BLUE,BLUE,,
+2024-09-05,BLUE,BLUE,,
+2024-09-06,BLUE,BLUE,,
+2024-09-07,BLUE,BLUE,,
+2024-09-08,BLUE,BLUE,,
+2024-09-09,BLUE,BLUE,,
+2024-09-10,BLUE,BLUE,,
+2024-09-11,BLUE,BLUE,,
+2024-09-12,BLUE,BLUE,,
+2024-09-13,BLUE,BLUE,,
+2024-09-14,BLUE,BLUE,,
+2024-09-15,BLUE,BLUE,,
+2024-09-16,BLUE,BLUE,,
+2024-09-17,BLUE,BLUE,,
+2024-09-18,BLUE,BLUE,,
+2024-09-19,BLUE,BLUE,,
+2024-09-20,BLUE,BLUE,,
+2024-09-21,BLUE,BLUE,,
+2024-09-22,BLUE,BLUE,,
+2024-09-23,BLUE,BLUE,,
+2024-09-24,BLUE,BLUE,,
+2024-09-25,BLUE,BLUE,,
+2024-09-26,BLUE,BLUE,,
+2024-09-27,BLUE,BLUE,,
+2024-09-28,BLUE,BLUE,,
+2024-09-29,BLUE,BLUE,,
+2024-09-30,BLUE,BLUE,,
+2024-10-01,BLUE,BLUE,,
+2024-10-02,BLUE,BLUE,,
+2024-10-03,BLUE,BLUE,,
+2024-10-04,BLUE,BLUE,,
+2024-10-05,BLUE,BLUE,,
+2024-10-06,BLUE,BLUE,,
+2024-10-07,BLUE,BLUE,,
+2024-10-08,BLUE,BLUE,,
+2024-10-09,BLUE,BLUE,BLUE,BLUE
+2024-10-10,BLUE,BLUE,BLUE,BLUE
+2024-10-11,BLUE,BLUE,BLUE,BLUE
+2024-10-12,BLUE,BLUE,BLUE,BLUE
+2024-10-13,BLUE,BLUE,BLUE,BLUE
+2024-10-14,BLUE,BLUE,,
+2024-10-15,BLUE,BLUE,,
+2024-10-16,BLUE,BLUE,BLUE,
+2024-10-17,BLUE,BLUE,BLUE,BLUE
+2024-10-18,BLUE,BLUE,,BLUE
+2024-10-19,BLUE,BLUE,,
+2024-10-20,BLUE,BLUE,,
+2024-10-21,BLUE,BLUE,,
+2024-10-22,BLUE,BLUE,,
+2024-10-23,BLUE,BLUE,,
+2024-10-24,BLUE,BLUE,,
+2024-10-25,BLUE,BLUE,,
+2024-10-26,BLUE,BLUE,,
+2024-10-27,BLUE,BLUE,,
+2024-10-28,BLUE,BLUE,BLUE,BLUE
+2024-10-29,BLUE,BLUE,BLUE,BLUE
+2024-10-30,BLUE,BLUE,BLUE,BLUE
+2024-10-31,BLUE,BLUE,,BLUE
+2024-11-01,BLUE,BLUE,BLUE,
+2024-11-02,BLUE,BLUE,BLUE,BLUE
+2024-11-03,BLUE,BLUE,BLUE,BLUE
+2024-11-04,BLUE,BLUE,BLUE,BLUE
+2024-11-05,BLUE,BLUE,BLUE,WHITE
+2024-11-06,BLUE,BLUE,BLUE,BLUE
+2024-11-07,BLUE,BLUE,BLUE,BLUE
+2024-11-08,BLUE,BLUE,BLUE,BLUE
+2024-11-09,BLUE,BLUE,BLUE,BLUE
+2024-11-10,BLUE,BLUE,BLUE,BLUE
+2024-11-11,BLUE,BLUE,BLUE,BLUE
+2024-11-12,BLUE,BLUE,BLUE,BLUE
+2024-11-13,BLUE,WHITE,BLUE,WHITE
+2024-11-14,WHITE,WHITE,WHITE,WHITE
+2024-11-15,WHITE,WHITE,WHITE,WHITE
+2024-11-16,BLUE,BLUE,BLUE,BLUE
+2024-11-17,BLUE,BLUE,BLUE,BLUE
+2024-11-18,BLUE,BLUE,BLUE,BLUE
+2024-11-19,BLUE,BLUE,,BLUE
+2024-11-20,,WHITE,WHITE,
+2024-11-21,,,WHITE,WHITE
+2024-11-22,,,,WHITE
diff --git a/postgres/compose-postgres.yaml b/postgres/compose-postgres.yaml
new file mode 100644
index 0000000..c68a031
--- /dev/null
+++ b/postgres/compose-postgres.yaml
@@ -0,0 +1,29 @@
+version: "3.8"
+services:
+  postgres:
+    image: postgres:17-alpine
+    restart: unless-stopped
+    env_file:
+      - postgres.env
+      - secrets.env
+    ports:
+      - "5434:5432"
+    volumes:
+      - ./postgres_volume:/var/lib/postgresql/data
+      - ./init_scripts:/docker-entrypoint-initdb.d
+  # pgadmin:
+  #   image: dpage/pgadmin4
+  #   restart: always
+  #   environment:
+  #     PGADMIN_DEFAULT_EMAIL: stress.energetic@d4g.com
+  #     PGADMIN_DEFAULT_PASSWORD_FILE: /run/secrets/pgadmin_default_password
+  #   secrets:
+  #     - pgadmin_default_password
+  #   ports:
+  #     - "8880:80"
+  #   depends_on:
+  #     - postgres
+
+
+volumes:
+  db: 
diff --git a/postgres/init_scripts/01_tables.sql b/postgres/init_scripts/01_tables.sql
new file mode 100644
index 0000000..b6a3194
--- /dev/null
+++ b/postgres/init_scripts/01_tables.sql
@@ -0,0 +1,61 @@
+\c stress_energetic;
+
+CREATE TABLE IF NOT EXISTS eco2mix_raw (
+    date_heure TIMESTAMP,
+    consommation FLOAT,
+    eolien FLOAT,
+    solaire FLOAT
+);
+
+CREATE TABLE IF NOT EXISTS pred_conso_rte (
+    date_heure TIMESTAMP,
+    consommation FLOAT
+);
+
+CREATE TABLE IF NOT EXISTS forecast_flux_solaire (
+    date_heure TIMESTAMP,
+    departement CHAR,
+    delta_hours_pred FLOAT,
+    flux_solaire FLOAT
+);
+
+CREATE TABLE IF NOT EXISTS forecast_vent (
+    date_heure TIMESTAMP,
+    departement CHAR,
+    delta_hours_pred FLOAT,
+    vent FLOAT
+);
+
+CREATE TABLE IF NOT EXISTS forecast_ENR (
+    date_heure TIMESTAMP,
+    delta_hours_pred FLOAT,
+    eolien FLOAT,
+    solaire FLOAT
+);
+
+-- Je ne pense pas que ça soit nécessaire, l'information est gardée indirectement
+-- dans les données pour prédire le jour tempo
+-- CREATE TABLE IF NOT EXISTS temperature (
+--     date_heure TIMESTAMP,
+--     temperature FLOAT
+-- );
+
+CREATE TABLE IF NOT EXISTS prep_prediction_tempo (
+    date DATE,
+    consommation FLOAT,
+    eolien FLOAT,
+    solaire FLOAT,
+    temperature FLOAT,
+    production_nette FLOAT,
+    production_nette_q40 FLOAT,
+    production_nette_q80 FLOAT,
+    mean_temp_q30 FLOAT,
+    jour_tempo CHAR,
+);
+
+CREATE TABLE IF NOT EXISTS prediction_tempo (
+    date DATE,
+    delta_hours_pred FLOAT,
+    eolien FLOAT,
+    solaire FLOAT
+);
diff --git a/postgres/init_scripts/02_setup_users.sql b/postgres/init_scripts/02_setup_users.sql
new file mode 100644
index 0000000..8ed3736
--- /dev/null
+++ b/postgres/init_scripts/02_setup_users.sql
@@ -0,0 +1,13 @@
+-- Création de l'utilisateur super
+CREATE ROLE super_user WITH LOGIN PASSWORD '$$POSTGRES_SUPER_USER_PASSWORD$$' SUPERUSER;
+
+-- Création de l'utilisateur read-only
+CREATE ROLE readonly_user WITH LOGIN PASSWORD '$$POSTGRES_READONLY_USER_PASSWORD$$';
+
+-- Accorder des privilèges de lecture
+GRANT CONNECT ON DATABASE stress_energetic TO readonly_user;
+GRANT USAGE ON SCHEMA public TO readonly_user;
+GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly_user;
+
+-- Pour accorder des privilèges de lecture sur les nouvelles tables créées ultérieurement
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO readonly_user;
\ No newline at end of file
diff --git a/postgres/postgres.env b/postgres/postgres.env
new file mode 100644
index 0000000..139e7eb
--- /dev/null
+++ b/postgres/postgres.env
@@ -0,0 +1,3 @@
+POSTGRES_USER=root
+POSTGRES_HOST=postgres
+POSTGRES_DB=stress_energetic
diff --git a/pyproject.toml b/pyproject.toml
index 45a57a5..29002f5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,6 +42,7 @@ dependencies = [
   "bokeh>=3.4",
   "joblib",
   "python-dotenv",
+  "sqlalchemy>=2.0.36",
 ]
 
 [project.urls]
diff --git a/src/energy_forecast/database_core.py b/src/energy_forecast/database_core.py
new file mode 100644
index 0000000..f303eb9
--- /dev/null
+++ b/src/energy_forecast/database_core.py
@@ -0,0 +1,153 @@
+import sqlalchemy as sa
+import pandas as pd
+
+# change the URL_DB to the url of the postgres database
+URL_DB = 'sqlite:///energy_forecast.db'
+
+# tempo_classification table
+tempo_classes = sa.Enum("BLUE", "WHITE", "RED", "Not Available", name="tempo_classification_enum")
+
+metadata = sa.MetaData()
+tempo_classification = sa.Table(
+    'tempo_classification',
+    metadata,
+    sa.Column('date', sa.Date, nullable=False, primary_key=True),
+    sa.Column('truth_by_RTE', tempo_classes, nullable=False),
+    sa.Column('our_J_1', tempo_classes, nullable=False),
+    sa.Column('our_J_2', tempo_classes, nullable=False),
+    sa.Column('our_J_3', tempo_classes, nullable=False),
+)
+
+eco2mix_raw = sa.Table(
+    "eco2mix_raw",
+    metadata,
+    sa.Column("date_heure", sa.DateTime, nullable=False, primary_key=True),
+    sa.Column("consommation", sa.Float),
+    sa.Column("eolien", sa.Float),
+    sa.Column("solaire", sa.Float),
+)
+
+pred_conso_rte = sa.Table(
+    "pred_conso_rte",
+    metadata,
+    sa.Column("date_heure", sa.DateTime, nullable=False, primary_key=True),
+    sa.Column("consommation", sa.Float),
+)
+
+forecast_flux_solaire = sa.Table(
+    "forecast_flux_solaire",
+    metadata,
+    sa.Column("date_heure", sa.DateTime, nullable=False, primary_key=True),
+    sa.Column("departement", sa.String),
+    sa.Column("delta_hours_pred", sa.Float),
+    sa.Column("flux_solaire", sa.Float),
+)
+
+forecast_vent = sa.Table(
+    "forecast_vent",
+    metadata,
+    sa.Column("date_heure", sa.DateTime, nullable=False, primary_key=True),
+    sa.Column("departement", sa.String),
+    sa.Column("delta_hours_pred", sa.Float),
+    sa.Column("vent", sa.Float),
+)
+
+forecast_temperature = sa.Table(
+    "forecast_temperature",
+    metadata,
+    sa.Column("date_heure", sa.DateTime, nullable=False, primary_key=True),
+    sa.Column("departement", sa.String),
+    sa.Column("delta_hours_pred", sa.Float),
+    sa.Column("temperature", sa.Float),
+)
+
+forecast_ENR = sa.Table(
+    "forecast_ENR",
+    metadata,
+    sa.Column("date_heure", sa.DateTime, nullable=False, primary_key=True),
+    sa.Column("departement", sa.String),
+    sa.Column("delta_hours_pred", sa.Float),
+    sa.Column("eolien", sa.Float),
+    sa.Column("solaire", sa.Float),
+)
+
+prep_prediction_tempo = sa.Table(
+    "prep_prediction_tempo",
+    metadata,
+    sa.Column("date", sa.Date, nullable=False, primary_key=True),
+    sa.Column("temperature", sa.Float),
+    sa.Column("eolien", sa.Float),
+    sa.Column("solaire", sa.Float),
+    sa.Column("consommation", sa.Float),
+    sa.Column("production_nette", sa.Float),
+    sa.Column("production_nette_q40", sa.Float),
+    sa.Column("production_nette_q80", sa.Float),
+    sa.Column("mean_temp_q30", sa.Float),
+    sa.Column("jour_tempo", sa.String),
+)
+
+def init_db():
+    engine = sa.create_engine(URL_DB)
+    metadata.create_all(engine)
+    
+def get_all_tempo_classification():
+    engine = sa.create_engine(URL_DB)
+    with engine.connect() as connection:
+        query = sa.select([tempo_classification])
+        result = connection.execute(query)
+        return result.fetchall()
+
+def insert_tempo_classification(date, truth_by_RTE, our_J_1, our_J_2, our_J_3):
+    engine = sa.create_engine(URL_DB)
+    with engine.connect() as connection:
+        query = tempo_classification.insert().values(
+            date=date,
+            truth_by_RTE=truth_by_RTE,
+            our_J_1=our_J_1,
+            our_J_2=our_J_2,
+            our_J_3=our_J_3,
+        )
+        connection.execute(query)
+        connection.commit()  # Ensure the transaction is committed
+
+    
+def add_the_csv_predictions(path_to_csv):
+    mapping_cal_names = {
+        "Type_de_jour_TEMPO": "truth_by_RTE",
+        "our_tempo_J-1": "our_J_1",
+        "our_tempo_J-2": "our_J_2",
+        "our_tempo_J-3": "our_J_3",
+        "index": "date",
+    }
+    df = pd.read_csv(path_to_csv, index_col=0)
+    print(df.columns)
+    
+    df.index = pd.to_datetime(df.index).date
+    for index, row in df.iterrows():
+        row = row.fillna("Not Available")
+
+        insert_tempo_classification(
+            date=row.name,
+            truth_by_RTE=row["Type_de_jour_TEMPO"],
+            our_J_1=row["our_tempo_J-1"],
+            our_J_2=row["our_tempo_J-2"],
+            our_J_3=row["our_tempo_J-3"],
+        )
+
+def select_last_n_days(n_days):
+    engine = sa.create_engine(URL_DB)
+    with engine.connect() as connection:
+        query = sa.select([tempo_classification]).order_by(sa.desc(tempo_classification.c.date)).limit(n_days).
+        print(query)
+        result = connection.execute(query)
+        results = result.fetchall()
+        return pd.DataFrame(results, columns=result.keys())
+    
+if __name__ == '__main__':
+    init_db()
+    from energy_forecast import ROOT_DIR
+    add_the_csv_predictions(ROOT_DIR / 'data' /"gold" / 'our_tempo_prediction.csv')
+    
+    selection = select_last_n_days(2)
+    print(selection)
+