diff --git a/.dockerignore b/.dockerignore
index 747089b2..50eee081 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -2,6 +2,8 @@
 !public/
 !src/
 !.npmrc
+!.eslintrc.json
+!.prettierrc
 !package-lock.json
 !package.json
 !tsconfig.json
diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
new file mode 100644
index 00000000..ffd2ef08
--- /dev/null
+++ b/.github/workflows/build-docker.yml
@@ -0,0 +1,15 @@
+name: Build Docker image
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  build-docker:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - run: docker build -t excalidraw .
diff --git a/Dockerfile b/Dockerfile
index 298b4407..eb9da172 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,25 +1,14 @@
-FROM node:14-alpine AS deps
-
-ARG REACT_APP_INCLUDE_GTAG=false
-
-RUN mkdir /opt/node_app && chown node:node /opt/node_app
-WORKDIR /opt/node_app
-
-USER node
-
-COPY package.json package-lock.json ./
-RUN npm install --no-optional && npm cache clean --force
-ENV PATH /opt/node_app/node_modules/.bin:$PATH
-
-WORKDIR /opt/node_app
-COPY . .
-
 FROM node:14-alpine AS build
 
+WORKDIR /opt/node_app
+
+COPY package.json package-lock.json ./
+RUN npm i --no-optional
+
+ARG REACT_APP_INCLUDE_GTAG=false
 ARG NODE_ENV=production
 
-WORKDIR /opt/node_app
-COPY --from=deps /opt/node_app .
+COPY . .
 RUN npm run build:app:docker
 
 FROM nginx:1.17-alpine