diff --git a/app/consumer/initdb/01_schema.sql b/app/consumer/initdb/01_schema.sql
new file mode 100644
index 0000000..364f1d2
--- /dev/null
+++ b/app/consumer/initdb/01_schema.sql
@@ -0,0 +1,62 @@
+CREATE TABLE IF NOT EXISTS "device" (
+	"device_id" UUID NOT NULL DEFAULT uuidv4(),
+	"device_eui" VARCHAR(255) NOT NULL,
+	"site_id" UUID,
+	PRIMARY KEY("device_id")
+);
+
+CREATE TABLE IF NOT EXISTS "site" (
+	"site_id" UUID NOT NULL DEFAULT uuidv4(),
+	"pce" VARCHAR(255) NOT NULL,
+	"address_1" VARCHAR(255) NOT NULL,
+	"address_2" VARCHAR(255),
+	"postal_code" VARCHAR(255) NOT NULL,
+	"city" VARCHAR(255) NOT NULL,
+	PRIMARY KEY("site_id")
+);
+
+CREATE TABLE IF NOT EXISTS "user" (
+	"user_id" UUID NOT NULL DEFAULT uuidv4(),
+	"name" VARCHAR(255) NOT NULL,
+	"first_name" VARCHAR(255) NOT NULL,
+	"email" VARCHAR(255) NOT NULL,
+	"password_hash" VARCHAR(255),
+	"user_type_id" UUID NOT NULL,
+	PRIMARY KEY("user_id")
+);
+
+CREATE TABLE IF NOT EXISTS "reading" (
+	"reading_id" UUID NOT NULL DEFAULT uuidv7(),
+	"device_id" UUID NOT NULL,
+	"date" DATE NOT NULL,
+	PRIMARY KEY("reading_id")
+);
+
+CREATE TABLE IF NOT EXISTS "subscription" (
+	"subscription_id" UUID NOT NULL DEFAULT uuidv4(),
+	"site_id" UUID NOT NULL,
+	"user_id" UUID NOT NULL,
+	PRIMARY KEY("subscription_id")
+);
+
+CREATE TABLE IF NOT EXISTS "user_type" (
+	"user_type_id" UUID NOT NULL DEFAULT uuidv4(),
+	"label" VARCHAR(255) NOT NULL,
+	PRIMARY KEY("user_type_id")
+);
+
+ALTER TABLE "device"
+ADD FOREIGN KEY("site_id") REFERENCES "site"("site_id")
+ON UPDATE NO ACTION ON DELETE NO ACTION;
+ALTER TABLE "subscription"
+ADD FOREIGN KEY("site_id") REFERENCES "site"("site_id")
+ON UPDATE NO ACTION ON DELETE NO ACTION;
+ALTER TABLE "subscription"
+ADD FOREIGN KEY("user_id") REFERENCES "user"("user_id")
+ON UPDATE NO ACTION ON DELETE NO ACTION;
+ALTER TABLE "reading"
+ADD FOREIGN KEY("device_id") REFERENCES "device"("device_id")
+ON UPDATE NO ACTION ON DELETE NO ACTION;
+ALTER TABLE "user"
+ADD FOREIGN KEY("user_type_id") REFERENCES "user_type"("user_type_id")
+ON UPDATE NO ACTION ON DELETE NO ACTION;
\ No newline at end of file
diff --git a/app/consumer/initdb/02_dummy_data.sql b/app/consumer/initdb/02_dummy_data.sql
new file mode 100644
index 0000000..0243dc7
--- /dev/null
+++ b/app/consumer/initdb/02_dummy_data.sql
@@ -0,0 +1,37 @@
+INSERT INTO "user_type" ("label") VALUES
+  ('admin'),
+  ('subscriber');
+
+INSERT INTO "site" ("pce", "address_1", "address_2", "postal_code", "city") VALUES
+  ('GI123456789', '12 Rue de la Paix',   NULL,     '75001', 'Paris'),
+  ('GI987654321', '5 Avenue Foch',       'Bât B',  '69003', 'Lyon'),
+  ('GI111222333', '8 Rue du Moulin',     NULL,     '59000', 'Lille'),
+  ('GI444555666', '27 Boulevard Victor', 'Apt 12', '33000', 'Bordeaux');
+
+-- Mots de passe d'exemple : (hash générés avec `mkpasswd --method=bcrypt --rounds=12 <mdp>`)
+-- AdminPass123!
+-- BobPass456!
+-- ClairePass789!
+-- DavidPass012
+
+INSERT INTO "user" ("name", "first_name", "email", "password_hash", "user_type_id") VALUES
+  ('Dupont',  'Alice',   'alice.dupont@example.com',   '$2b$12$qdHcvSLkbflmHn45gokjX.zm27JxamMBplA/l4y4D2GuykDvjJll.', (SELECT "user_type_id" FROM "user_type" WHERE "label" = 'admin')),
+  ('Martin',  'Bernard', 'bernard.martin@example.com', '$2b$12$3ulCb.7b9LeQv2edkmju2uwtn8bA/1jpj4K5n51DxH6HYDme0Gbfq', (SELECT "user_type_id" FROM "user_type" WHERE "label" = 'subscriber')),
+  ('Durand',  'Claire',  'claire.durand@example.com',  '$2b$12$nzYUQG/SHV9uvOxtYJ5XWOnUT1bgiUS0FejgFl.Y57Pz0LB9U5ia6', (SELECT "user_type_id" FROM "user_type" WHERE "label" = 'subscriber')),
+  ('Leroy',   'David',   'david.leroy@example.com',    '$2b$12$Yy/K3.kghkrYtflPUGjuM.cj6pbCP/Bc4sasLlkbA7RgdlK1wzR2u', (SELECT "user_type_id" FROM "user_type" WHERE "label" = 'subscriber'));
+
+INSERT INTO "subscription" ("site_id", "user_id") VALUES
+  (
+   (SELECT "site_id" FROM "site" WHERE "pce" = 'GI123456789'),
+   (SELECT "user_id" FROM "user" WHERE "email" = 'bernard.martin@example.com')),
+
+  (
+   (SELECT "site_id" FROM "site" WHERE "pce" = 'GI987654321'),
+   (SELECT "user_id" FROM "user" WHERE "email" = 'claire.durand@example.com')),
+
+  (
+   (SELECT "site_id" FROM "site" WHERE "pce" = 'GI111222333'),
+   (SELECT "user_id" FROM "user" WHERE "email" = 'david.leroy@example.com')),
+
+  ((SELECT "site_id" FROM "site" WHERE "pce" = 'GI444555666'),
+   (SELECT "user_id" FROM "user" WHERE "email" = 'david.leroy@example.com'));
diff --git a/app/docker-compose.yml b/app/docker-compose.yml
index 289317a..9b6e15b 100644
--- a/app/docker-compose.yml
+++ b/app/docker-compose.yml
@@ -4,7 +4,41 @@ services:
     restart: unless-stopped
     networks:
       - lora-gateway_mqtt
+      - database
+
+  db:
+    image: postgres:18-alpine
+    restart: unless-stopped
+    volumes:
+      - ./consumer/initdb:/docker-entrypoint-initdb.d:ro
+      - db:/var/lib/postgresql
+    networks:
+      - database
+    environment:
+      - POSTGRES_USER=simugaz
+      - POSTGRES_PASSWORD=simugaz
+      - POSTGRES_DB=simugaz
+  
+  pgadmin:
+    image: dpage/pgadmin4:latest
+    restart: unless-stopped
+    ports:
+      - 8081:80
+    networks:
+      - public
+      - database
+    volumes:
+      - ./servers.json:/pgadmin4/servers.json
+    environment:
+      PGADMIN_DEFAULT_EMAIL: admin@example.com
+      PGADMIN_DEFAULT_PASSWORD: changeme
+    
+volumes:
+  db:
 
 networks:
+  public:
+  database:
+    internal: true
   lora-gateway_mqtt:
     external: true
\ No newline at end of file
diff --git a/app/servers.json b/app/servers.json
new file mode 100644
index 0000000..502f15a
--- /dev/null
+++ b/app/servers.json
@@ -0,0 +1,16 @@
+{
+    "Servers": {
+        "1": {
+            "Name": "SimuGaz",
+            "Group": "SimuGaz",
+            "Port": 5432,
+            "Username": "simugaz",
+            "Host": "db",
+            "MaintenanceDB": "postgres",
+            "ConnectionParameters": {
+                "sslmode": "prefer",
+                "connect_timeout": 10
+            }
+        }
+    }
+}
\ No newline at end of file