fixed createSchema.sql syntax, added container name

backend/db/Dockerfile

@@ -1,4 +1,3 @@
-FROM postgres:15
+FROM postgres:15-alpine
 
-RUN mkdir /docker-entrypoint-initdb.d
-COPY createSchema.sql /docker-entrypoint-initdb.d
+COPY createSchema.sql /docker-entrypoint-initdb.d/createSchema.sql

backend/db/createSchema.sql

@@ -1,14 +1,15 @@
 CREATE TABLE "user" (
     username VARCHAR(32) PRIMARY KEY
-)
+);
 
 CREATE TABLE game (
     id SERIAL PRIMARY KEY,
     score INTEGER NOT NULL,
     playtime TIME NOT NULL,
     date DATE NOT NULL,
-    username VARCHAR(32) NOT NULL FOREIGN KEY REFERENCES "user"
-)
+    username VARCHAR(32) NOT NULL,
+    FOREIGN KEY (username) REFERENCES "user"
+);
 
 CREATE VIEW user_data AS (
     SELECT
@@ -20,20 +21,20 @@ CREATE VIEW user_data AS (
         count(*) AS games_played
     FROM game
     GROUP BY username
-)
+);
 
 CREATE VIEW lb_highscore AS (
     SELECT username, max(score) AS highscore FROM game GROUP BY username ORDER BY highscore DESC
-)
+);
 
 CREATE VIEW lb_highscore AS (
-    SELECT username, sum(score) AS total_score, FROM game GROUP BY username ORDER BY total_score DESC
-)
+    SELECT username, sum(score) AS total_score FROM game GROUP BY username ORDER BY total_score DESC
+);
 
 CREATE VIEW lb_total_playtime AS (
     SELECT username, sum(playtime) AS total_playtime FROM game GROUP BY username ORDER BY total_playtime DESC
-)
+);
 
 CREATE VIEW lb_average_score AS (
     SELECT username, avg(score) AS average_score FROM game GROUP BY username ORDER BY average_score DESC
-)
+);

docker-compose.yml

@@ -3,6 +3,7 @@ version: '3.1'
 services:
   db:
     build: backend/db
+    container_name: postgres-db
     environment:
       POSTGRES_DB: rr
       POSTGRES_USER: postgres