diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
new file mode 100644
index 0000000..2334c10
--- /dev/null
+++ b/.github/workflows/docker-publish.yml
@@ -0,0 +1,38 @@
+name: Publish Docker image
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ github.repository }}
+
+      - name: Copy Dockerfile to the root of the repository
+        shell: bash
+        run: cp ./docker/Dockerfile .
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/docker/Dockerfile b/docker/Dockerfile
index e309a53..b98eec8 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,9 +1,5 @@
 FROM node:14-alpine3.12
 
-# Read the GitHub API token and release version from --build-arg
-ARG GITHUB_API_TOKEN
-ARG VERSION
-
 # Install dependencies not included in the base image
 RUN apk update
 RUN apk upgrade
@@ -27,6 +23,6 @@ RUN chmod +x dist/bin/*
 RUN yarn link
 
 # Set the entrypoint and main command
-# Runs the bot by default, but CMD can be overriden when running a container so it runs the reactions monitor server
+# Runs the default Infura gateway, but CMD can be overriden when running a container so it runs the reactions monitor server
 ENTRYPOINT ["npx"]
 CMD ["w3gw-infura"]
diff --git a/docker/downloader.sh b/docker/downloader.sh
deleted file mode 100644
index 1a3c37c..0000000
--- a/docker/downloader.sh
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/usr/bin/env bash
-
-# Read from the environment the which version to download
-# Defaults to "latest"
-VERSION=${VERSION:-"latest"}
-
-# A helper function for scoped logging
-function log {
-  echo "[DOWNLOADER] $1"
-}
-
-# Make sure that `GITHUB_API_TOKEN` is defined
-if [[ -z "$GITHUB_API_TOKEN" ]]; then
-  log "Missing GITHUB_API_TOKEN environment variable"
-  exit 1
-fi
-
-AUTH="Authorization: token $GITHUB_API_TOKEN"
-
-# If version is "latest", resolve the latest version number
-if [[ "$VERSION" == "latest" ]]; then
-    VERSION=$(curl --cacert /etc/ssl/certs/ca-certificates.crt -H "$AUTH" https://api.github.com/repos/witnet/web3-jsonrpc-gateway/releases/latest | sed -En "s/.*\"tag_name\": \"([0-9|\.]+)\",/\1/p" | head -1)
-fi
-
-# The URL of the release file, and the name that will be used when downloaded
-URL="https://api.github.com/repos/witnet/web3-jsonrpc-gateway/tarball/$VERSION"
-FILENAME="release.tar.gz"
-
-# Download and extract release bundle
-log "Downloading version $VERSION ('$FILENAME') from '$URL'. This may take a few seconds..."
-curl --cacert /etc/ssl/certs/ca-certificates.crt -LH "$AUTH" -o "/tmp/$FILENAME" "$URL" &&
-tar -zxf "/tmp/$FILENAME" --directory "/tmp/" &&
-mv /tmp/witnet-web3-jsonrpc-gateway-* /data/source &&
-# Clean after ourselves
-rm -f "/tmp/$FILENAME" &&
-# Show success or error message
-log "Succesfully downloaded and extracted '$FILENAME'" ||
-log "Error downloading and installing version $VERSION"
\ No newline at end of file