fix(tools): consolidate docker compose setup (#62525)

docker/api/docker-compose.yml

@@ -1,14 +0,0 @@
-services:
-  api:
-    restart: unless-stopped
-    image: fcc-api
-    env_file:
-      - ../../.env
-    ports:
-      - '3000:3000'
-    logging:
-      driver: 'local'
-      options:
-        max-size: '10m'
-        max-file: '3'
-        compress: 'true'

docker/docker-compose.e2e.yml

@@ -0,0 +1,19 @@
+# Docker Compose override for E2E testing
+# Usage: docker compose -f docker/docker-compose.yml -f docker/docker-compose.e2e.yml up -d
+services:
+  api:
+    restart: unless-stopped
+    depends_on:
+      - db
+      - mailpit
+    image: fcc-api
+    env_file:
+      - ../.env
+    environment:
+      # The api cannot connect to mongodb or mailpit via localhost from inside the
+      # container, so we have to override these variables.
+      - MONGOHQ_URL=mongodb://db:27017/freecodecamp?directConnection=true
+      - MAILHOG_HOST=mailpit
+      - HOST=0.0.0.0
+    ports:
+      - '3000:3000'

docker/docker-compose.yml

@@ -0,0 +1,41 @@
+services:
+  db:
+    image: mongo
+    container_name: mongodb
+    command: mongod --replSet rs0
+    restart: unless-stopped
+    ports:
+      - 27017:27017
+    volumes:
+      - db-data:/data/db
+    healthcheck:
+      test: ['CMD', 'mongosh', '--eval', "db.adminCommand('ping')"]
+      interval: 2s
+      retries: 5
+
+  setup:
+    image: mongo
+    depends_on:
+      db:
+        condition: service_healthy
+    restart: on-failure
+    # This will try to initiate the replica set, until it succeeds twice (i.e. until the replica set is already initialized)
+    command: >
+      mongosh --host db:27017 --eval '
+        try {
+          rs.initiate();
+        } catch (err) {
+          if(err.codeName !== "AlreadyInitialized") throw err;
+        }
+      '
+
+  mailpit:
+    restart: unless-stopped
+    image: axllent/mailpit
+    ports:
+      - '1025:1025'
+      - '8025:8025'
+
+volumes:
+  db-data:
+    driver: local