diff --git a/backend/Dockerfile b/backend/Dockerfile
index f09a89eb..bb3464c3 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -44,7 +44,6 @@ RUN npm install --silent --only=production
 
 COPY ./docs ./docs
 COPY ./backend/i18n ./backend/i18n
-COPY ./backend/.env ./backend/.env
 
 EXPOSE 3000
 
diff --git a/compose.production.yml b/compose.production.yml
index e6f140d4..7c8ad946 100644
--- a/compose.production.yml
+++ b/compose.production.yml
@@ -24,7 +24,7 @@ services:
         restart: unless-stopped
         volumes:
             # TODO Replace with environment keys
-            - ./backend/.env:/app/.env
+            - ./backend/.env:/app/dwengo/backend/.env
         depends_on:
             - db
             - logging
diff --git a/compose.staging.yml b/compose.staging.yml
index 16814b77..253ab7d5 100644
--- a/compose.staging.yml
+++ b/compose.staging.yml
@@ -24,7 +24,7 @@ services:
             - '3000:3000/tcp'
         restart: unless-stopped
         volumes:
-            - ./backend/.env.staging:/app/.env
+            - ./backend/.env.staging:/app/dwengo/backend/.env
         depends_on:
             - db
             - logging
diff --git a/frontend/src/controllers/classes.ts b/frontend/src/controllers/classes.ts
index d8e93eca..6a5f489c 100644
--- a/frontend/src/controllers/classes.ts
+++ b/frontend/src/controllers/classes.ts
@@ -50,7 +50,6 @@ export class ClassController extends BaseController {
         return this.get<TeachersResponse>(`/${id}/teachers`, { full });
     }
 
-    // TODO
     async getTeacherInvitations(id: string, full = true): Promise<TeacherInvitationsResponse> {
         return this.get<TeacherInvitationsResponse>(`/${id}/teacher-invitations`, { full });
     }
diff --git a/frontend/src/controllers/submissions.ts b/frontend/src/controllers/submissions.ts
index 07e8e16c..837d356c 100644
--- a/frontend/src/controllers/submissions.ts
+++ b/frontend/src/controllers/submissions.ts
@@ -22,7 +22,7 @@ export class SubmissionController extends BaseController {
         return this.get<SubmissionResponse>(`/${submissionNumber}`);
     }
 
-    async createSubmission(data: any): Promise<SubmissionResponse> {
+    async createSubmission(data: unknown): Promise<SubmissionResponse> {
         return this.post<SubmissionResponse>(`/`, data);
     }