diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 8a99644444..0000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,184 +0,0 @@
-version: 2.1
-
-defaults: &defaults
-  working_directory: ~/outline
-  docker:
-    - image: cimg/node:20.10
-  resource_class: large
-  environment:
-    NODE_ENV: test
-    DATABASE_URL: postgres://postgres:password@localhost:5432/circle_test
-    URL: http://localhost:3000
-    NODE_OPTIONS: --max-old-space-size=8000
-
-executors:
-  docker-publisher:
-    environment:
-      IMAGE_NAME: outlinewiki/outline
-      BASE_IMAGE_NAME: outlinewiki/outline-base
-    docker:
-      - image: circleci/buildpack-deps:stretch
-
-jobs:
-  build:
-    <<: *defaults
-    steps:
-      - checkout
-      - restore_cache:
-          key: dependency-cache-v1-{{ checksum "package.json" }}
-      - run:
-          name: install-deps
-          command: yarn install --frozen-lockfile
-      - save_cache:
-          key: dependency-cache-v1-{{ checksum "package.json" }}
-          paths:
-            - ./node_modules
-  lint:
-    <<: *defaults
-    steps:
-      - checkout
-      - restore_cache:
-          key: dependency-cache-v1-{{ checksum "package.json" }}
-      - run:
-          name: lint
-          command: yarn lint
-  types:
-    <<: *defaults
-    steps:
-      - checkout
-      - restore_cache:
-          key: dependency-cache-v1-{{ checksum "package.json" }}
-      - run:
-          name: typescript
-          command: yarn tsc
-  test-app:
-    <<: *defaults
-    steps:
-      - checkout
-      - restore_cache:
-          key: dependency-cache-v1-{{ checksum "package.json" }}
-      - run:
-          name: test
-          command: yarn test:app
-  test-shared:
-    <<: *defaults
-    steps:
-      - checkout
-      - restore_cache:
-          key: dependency-cache-v1-{{ checksum "package.json" }}
-      - run:
-          name: test
-          command: yarn test:shared
-  test-server:
-    <<: *defaults
-    parallelism: 3
-    docker:
-      - image: cimg/node:20.10
-      - image: cimg/redis:5.0
-      - image: cimg/postgres:14.2
-        environment:
-          POSTGRES_USER: postgres
-          POSTGRES_PASSWORD: password
-          POSTGRES_DB: circle_test
-    steps:
-      - checkout
-      - restore_cache:
-          key: dependency-cache-v1-{{ checksum "package.json" }}
-      - run:
-          name: migrate
-          command: ./node_modules/.bin/sequelize db:migrate
-      - run:
-          name: test
-          command: |
-            TESTFILES=$(circleci tests glob "**/server/**/*.test.ts" | circleci tests split)
-            yarn test --maxWorkers=2 $TESTFILES
-  bundle-size:
-    <<: *defaults
-    environment:
-      NODE_ENV: production
-    steps:
-      - checkout
-      - restore_cache:
-          key: dependency-cache-v1-{{ checksum "package.json" }}
-      - run:
-          name: build-vite
-          command: yarn vite:build
-      - run:
-          name: Send bundle stats to RelativeCI
-          command: npx relative-ci-agent
-  build-image:
-    resource_class: xlarge
-    executor: docker-publisher
-    steps:
-      - checkout
-      - setup_remote_docker
-      - run:
-          name: Install Docker buildx
-          command: |
-            mkdir -p ~/.docker/cli-plugins
-            url="https://github.com/docker/buildx/releases/download/v0.8.0/buildx-v0.8.0.linux-amd64"
-            curl -sSL -o ~/.docker/cli-plugins/docker-buildx $url
-            chmod a+x ~/.docker/cli-plugins/docker-buildx
-      - run:
-          name: Enable Docker buildx
-          command: export DOCKER_CLI_EXPERIMENTAL=enabled
-      - run:
-          name: Initialize Docker buildx
-          command: |
-            docker buildx install
-            docker context create docker-multiarch
-            docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
-            docker buildx create --name docker-multiarch --platform linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x docker-multiarch
-            docker buildx inspect --builder docker-multiarch --bootstrap
-            docker buildx use docker-multiarch
-      - run:
-          name: Build base image
-          command: docker build -f Dockerfile.base -t $BASE_IMAGE_NAME:latest --load .
-      - run:
-          name: Login to Docker Hub
-          command: echo "$DOCKERHUB_PASS" | docker login -u "$DOCKERHUB_USERNAME" --password-stdin
-      - run:
-          name: Publish base Docker Image to Docker Hub
-          command: docker push $BASE_IMAGE_NAME:latest
-      - run:
-          name: Build and push Docker image
-          command: |
-            if [[ "$CIRCLE_TAG" == *"-"* ]]; then
-              docker buildx build -t $IMAGE_NAME:${CIRCLE_TAG/v/''} --platform linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x --push .
-            else
-              docker buildx build -t $IMAGE_NAME:latest -t $IMAGE_NAME:${CIRCLE_TAG/v/''} --platform linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x --push .
-            fi
-
-workflows:
-  version: 2
-  all:
-    jobs:
-      - build
-      - lint:
-          requires:
-            - build
-      - test-server:
-          requires:
-            - build
-      - test-shared:
-          requires:
-            - build
-      - test-app:
-          requires:
-            - build
-      - types:
-          requires:
-            - build
-      - bundle-size:
-          requires:
-            - build
-            - types
-
-  build-docker:
-    jobs:
-      - build-image:
-          filters:
-            tags:
-              only: /^v.*/
-            branches:
-              ignore: /.*/
diff --git a/.circleci/run-build-locally.sh b/.circleci/run-build-locally.sh
deleted file mode 100755
index 6be7ab91c3..0000000000
--- a/.circleci/run-build-locally.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-curl --user ${CIRCLE_TOKEN}: \
-    --request POST \
-    --form revision=<ENTER COMMIT SHA HERE>\
-    --form config=@config.yml \
-    --form notify=false \
-        https://circleci.com/api/v1.1/project/github/outline/outline/tree/master
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000000..92acd7d6b9
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,136 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  NODE_ENV: test
+  DATABASE_URL: postgres://postgres:password@localhost:5432/outline_test
+  REDIS_URL: redis://127.0.0.1:6379
+  URL: http://localhost:3000
+  NODE_OPTIONS: --max-old-space-size=8000
+  SECRET_KEY: F0E5AD933D7F6FD8F4DBB3E038C501C052DC0593C686D21ACB30AE205D2F634B
+  UTILS_SECRET: 123456
+  SLACK_VERIFICATION_TOKEN: 123456
+  SMTP_USERNAME: localhost
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'yarn'
+    
+    - name: Install dependencies
+      run: yarn install --frozen-lockfile
+
+  lint:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20.x
+        cache: 'yarn'
+    - run: yarn install --frozen-lockfile
+    - run: yarn lint
+
+  types:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20.x
+        cache: 'yarn'
+    - run: yarn install --frozen-lockfile
+    - run: yarn tsc
+
+  test:
+    needs: build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        test-group: [app, shared]
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20.x
+        cache: 'yarn'
+    - run: yarn install --frozen-lockfile
+    - run: yarn test:${{ matrix.test-group }}
+
+  test-server:
+    needs: build
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:14.2
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: password
+          POSTGRES_DB: outline_test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+      
+      redis:
+        image: redis:5.0
+        ports:
+          - 6379:6379
+        options: >-
+          --health-cmd "redis-cli ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    strategy:
+      matrix:
+        shard: [1, 2, 3]
+    
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20.x
+        cache: 'yarn'
+    - run: yarn install --frozen-lockfile
+    - run: yarn sequelize db:migrate
+    - name: Run server tests
+      run: |
+        TESTFILES=$(find . -name "*.test.ts" -path "*/server/*" | sort | split -n -d -l $(($(find . -name "*.test.ts" -path "*/server/*" | wc -l)/${{ matrix.shard }})) - | sed -n "${{ matrix.shard }}p")
+        yarn test --maxWorkers=2 $TESTFILES
+
+  bundle-size:
+    needs: [build, types]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20.x
+        cache: 'yarn'
+    - run: yarn install --frozen-lockfile
+    - name: Set environment to production
+      run: echo "NODE_ENV=production" >> $GITHUB_ENV
+    - run: yarn vite:build
+    - name: Send bundle stats to RelativeCI
+      run: npx relative-ci-agent
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000000..0d58a68228
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,52 @@
+name: Docker
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+env:
+  IMAGE_NAME: outlinewiki/outline
+  BASE_IMAGE_NAME: outlinewiki/outline-base
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push base image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile.base
+          push: true
+          tags: ${{ env.BASE_IMAGE_NAME }}:latest
+          platforms: linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x
+
+      - name: Extract version
+        id: version
+        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
+
+      - name: Build and push main image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm/v7,linux/arm64/v8,linux/ppc64le,linux/s390x
+          tags: |
+            ${{ env.IMAGE_NAME }}:latest
+            ${{ env.IMAGE_NAME }}:${{ steps.version.outputs.VERSION }}