diff --git a/.drone.yml b/.drone.yml
index 9437de7..a3c80d1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -3,16 +3,26 @@ type: docker
 name: frontend
 
 steps:
-  # - name: Restore cache
-  #   image: plugins/s3-cache
-  #   settings:
-  #     pull: true
-  #     endpoint: https://storage.humenius.me
-  #     access_key:
-  #       from_secret: aws_access_key_id
-  #     secret_key: 
-  #       from_secret: aws_secret_access_key
-  #     restore: true
+  - name: Restore cache
+    image: plugins/s3-cache
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      restore: true
+
+  - name: Install packages
+    image: node
+    commands:
+      - yarn
+
+  - name: Run unit tests
+    image: node
+    commands:
+      - yarn test
 
   - name: Build and push frontend image
     image: plugins/docker
@@ -28,32 +38,32 @@ steps:
       registry: docker.humenius.me
       tags: ["latest", "${DRONE_SEMVER}"]
 
-  # - name: rebuild
-  #   image: plugins/s3-cache
-  #   settings:
-  #     pull: true
-  #     endpoint: https://storage.humenius.me
-  #     access_key:
-  #       from_secret: aws_access_key_id
-  #     secret_key: 
-  #       from_secret: aws_secret_access_key
-  #     rebuild: true
-  #     mount:
-  #       - node_modules
-  #     when:
-  #       event: push
+  - name: Rebuild cache
+    image: plugins/s3-cache
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      rebuild: true
+      mount:
+        - node_modules
+      when:
+        event: push
 
-  # - name: flush
-  #   image: plugins/s3-cache:1
-  #   settings:
-  #     pull: true
-  #     endpoint: https://storage.humenius.me
-  #     access_key:
-  #       from_secret: aws_access_key_id
-  #     secret_key: 
-  #       from_secret: aws_secret_access_key
-  #     flush: true
-  #     flush_age: 14      
+  - name: Flush cache
+    image: plugins/s3-cache:1
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      flush: true
+      flush_age: 14      
 
 trigger:
   branch:
@@ -67,6 +77,27 @@ type: docker
 name: frontend-dev
 
 steps:
+  - name: Restore cache
+    image: plugins/s3-cache
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      restore: true
+
+  - name: Install packages
+    image: node
+    commands:
+      - yarn
+
+  - name: Run unit tests
+    image: node
+    commands:
+      - yarn test
+
   - name: Build and push frontend dev image
     image: plugins/docker
     settings:
@@ -81,6 +112,33 @@ steps:
       registry: docker.humenius.me
       tags: ["dev-${DRONE_COMMIT_SHA}", "dev-latest"]
 
+  - name: Rebuild cache
+    image: plugins/s3-cache
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      rebuild: true
+      mount:
+        - node_modules
+      when:
+        event: push
+
+  - name: Flush cache
+    image: plugins/s3-cache:1
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      flush: true
+      flush_age: 14   
+
 trigger:
   exclude:
     branch:
@@ -92,6 +150,26 @@ type: docker
 name: backend
 
 steps:
+  - name: Restore cache
+    image: plugins/s3-cache
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      restore: true
+
+  - name: Run unit tests
+    image: node
+    commands:
+      - npm run test:cov
+
+  - name: Run E2E tests
+    image: node
+      - npm run test:e2e
+
   - name: Build and push backend image
     image: plugins/docker
     settings:
@@ -106,6 +184,33 @@ steps:
       registry: docker.humenius.me
       tags: ["latest", "${DRONE_SEMVER}"]
 
+  - name: Rebuild cache
+    image: plugins/s3-cache
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      rebuild: true
+      mount:
+        - node_modules
+      when:
+        event: push
+
+  - name: Flush cache
+    image: plugins/s3-cache:1
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      flush: true
+      flush_age: 14  
+
 trigger:
   branch:
     - release/*
@@ -118,6 +223,26 @@ type: docker
 name: backend-dev
 
 steps:
+  - name: Restore cache
+    image: plugins/s3-cache
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      restore: true
+
+  - name: Run unit tests
+    image: node
+    commands:
+      - npm run test:cov
+
+  - name: Run E2E tests
+    image: node
+      - npm run test:e2e
+
   - name: Build and push backend dev image
     image: plugins/docker
     settings:
@@ -132,6 +257,33 @@ steps:
       registry: docker.humenius.me
       tags: ["dev-${DRONE_COMMIT_SHA}", "dev-latest"]
 
+  - name: Rebuild cache
+    image: plugins/s3-cache
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      rebuild: true
+      mount:
+        - node_modules
+      when:
+        event: push
+
+  - name: Flush cache
+    image: plugins/s3-cache:1
+    settings:
+      pull: true
+      endpoint: https://storage.humenius.me
+      access_key:
+        from_secret: aws_access_key_id
+      secret_key: 
+        from_secret: aws_secret_access_key
+      flush: true
+      flush_age: 14  
+
 trigger:
   exclude:
     branch:
diff --git a/backend/Dockerfile b/backend/Dockerfile
index fd41b6b..447941b 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -20,14 +20,10 @@ WORKDIR /app
 
 ENV DATABASE_URL="mysql://dummy:user@localhost:1234/db"
 
-COPY package*.json ./
-COPY prisma ./prisma/
+COPY . .
 
 RUN npm install
 RUN npx prisma generate
-
-COPY . .
-
 RUN npm run build
 
 
diff --git a/backend/src/database/database.service.ts b/backend/src/database/database.service.ts
index 1076660..4f95ffa 100644
--- a/backend/src/database/database.service.ts
+++ b/backend/src/database/database.service.ts
@@ -25,7 +25,7 @@ export class DatabaseService {
     })
       .then(value => this.prismaClient.seasons.findUnique({
       where: {
-        season_id: (!seasonId ? value : seasonId)
+        season_id: Number((!seasonId ? value : seasonId))
       }
     }) as Promise<seasons>)
       .then((result: SeasonInfo) => {
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 2e14938..884b5a0 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,9 +1,8 @@
 FROM node:14.3.0-alpine as builder
 WORKDIR /app
 ENV PATH /app/node_modules/.bin:$PATH
-COPY ./package.json ./
-RUN yarn
 COPY . .
+RUN yarn
 RUN yarn build
 
 FROM node:14.3.0-alpine