diff --git a/back/.env.example b/back/.env.example
new file mode 100644
index 0000000..e2564ca
--- /dev/null
+++ b/back/.env.example
@@ -0,0 +1,2 @@
+DATABASE_URL="postgresql://"
+PORT=8081
\ No newline at end of file
diff --git a/back/.gitignore b/back/.gitignore
new file mode 100644
index 0000000..7bf5a88
--- /dev/null
+++ b/back/.gitignore
@@ -0,0 +1,3 @@
+certs/
+src/db/config.ts
+.env
\ No newline at end of file
diff --git a/back/src/db/config.example.ts b/back/src/db/config.example.ts
new file mode 100644
index 0000000..49e3ad5
--- /dev/null
+++ b/back/src/db/config.example.ts
@@ -0,0 +1,6 @@
+export const config = {
+  host: "",
+  username: "",
+  password: "",
+  database: "",
+};
diff --git a/back/src/db/index.ts b/back/src/db/index.ts
new file mode 100644
index 0000000..117f73c
--- /dev/null
+++ b/back/src/db/index.ts
@@ -0,0 +1,20 @@
+import { Connection, createConnection } from "typeorm";
+import fs from "fs";
+
+import { Room } from "./model";
+import { config } from "./config";
+
+export const connect = () =>
+  createConnection({
+    ...config,
+    type: "cockroachdb",
+    port: 26257,
+    ssl: {
+      ca: fs.readFileSync("certs/cc-ca.crt").toString(),
+    },
+    synchronize: true,
+    logging: false,
+    entities: [Room],
+  });
+
+export { Room };
diff --git a/back/src/db/model.ts b/back/src/db/model.ts
new file mode 100644
index 0000000..1ee0c9a
--- /dev/null
+++ b/back/src/db/model.ts
@@ -0,0 +1,27 @@
+import { Entity, Column, PrimaryGeneratedColumn } from "typeorm";
+
+@Entity()
+export class Room {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column({
+    length: 100,
+  })
+  title: string;
+
+  @Column()
+  free: boolean;
+
+  @Column()
+  x: number;
+
+  @Column()
+  y: number;
+
+  @Column()
+  width: number;
+
+  @Column()
+  height: number;
+}