diff --git a/.github/workflows/release-auction-sponsored-txs-docker.yml b/.github/workflows/release-auction-sponsored-txs-docker.yml
new file mode 100644
index 00000000..206ee201
--- /dev/null
+++ b/.github/workflows/release-auction-sponsored-txs-docker.yml
@@ -0,0 +1,60 @@
+# This job builds and publishes a docker image for the sponsored transactions auction dApp to
+# the dockerhub image repository.
+name: Create and publish a Docker image for the sponsored transactions auction dApp.
+
+on:
+  workflow_dispatch: # allows manual trigger
+
+  push:
+    tags:
+      # The versioning is of the format: `frontend_version-backend_version`.
+      - 'cis2-auction-sponsored-txs/*.*.*-*.*.*'
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: dapp-auction-sponsored-txs
+  EXPECTED_TAG: ${{ github.ref_name }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    environment: testnet-deployments
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      # Uses the `docker/login-action` action to log in to the Container registry.
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Extract tag from package.json and Cargo.toml files
+        id: meta
+        run: |
+          export FRONTEND_VERSION=$(jq -r .version sponsoredTransactionsAuction/frontend/package.json)
+          export BACKEND_VERSION=$(yq .package.version sponsoredTransactionsAuction/backend/Cargo.toml)
+          export VERSION=${FRONTEND_VERSION}-${BACKEND_VERSION}
+          export FULL_IMAGE_TAG="${{ env.REGISTRY }}/concordium/$IMAGE_NAME:$VERSION"
+          echo "::notice FULL_IMAGE_TAG=${FULL_IMAGE_TAG}"
+          # Make sure the image does not exist. Abort if we can retrieve any metadata.
+          if docker manifest inspect ${FULL_IMAGE_TAG} > /dev/null; then
+             echo "::error ${FULL_IMAGE_TAG} already exists"
+             exit 1
+          elif [ ! "${EXPECTED_TAG}" = "cis2-auction-sponsored-txs/${VERSION}" ]; then
+             echo "::error Expected tag ${EXPECTED_TAG} does not match the version ${VERSION}."
+             exit 1
+          else
+             # Store the full image tag into a tag variable for the following step.
+             echo "tag=${FULL_IMAGE_TAG}" > "$GITHUB_OUTPUT"
+          fi
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          file: ./sponsoredTransactionsAuction/Dockerfile
+          push: true
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tag }}
diff --git a/.github/workflows/release-euro-demo.yml b/.github/workflows/release-euro-demo.yml
index 1e39dbb7..e5467f75 100644
--- a/.github/workflows/release-euro-demo.yml
+++ b/.github/workflows/release-euro-demo.yml
@@ -36,6 +36,9 @@ jobs:
           if docker manifest inspect ${FULL_IMAGE_TAG} > /dev/null; then
              echo "::error ${FULL_IMAGE_TAG} already exists"
              exit 1
+          elif [ ! "${{ github.ref_name }}" = "release/euroe-demo/${VERSION}" ]; then
+             echo "::error Expected tag ${EXPECTED_TAG} does not match the version ${VERSION}."
+             exit 1
           else
              # Store the full image tag into a tag variable for the following step.
              echo "tag=${FULL_IMAGE_TAG}" > "$GITHUB_OUTPUT"
diff --git a/.github/workflows/release-gallery-docker.yml b/.github/workflows/release-gallery-docker.yml
new file mode 100644
index 00000000..311bc56e
--- /dev/null
+++ b/.github/workflows/release-gallery-docker.yml
@@ -0,0 +1,56 @@
+# This job builds and publishes a docker image for the gallery dApp to
+# the dockerhub image repository.
+name: Create and publish a Docker image for the gallery dApp.
+
+on:
+  workflow_dispatch: # allows manual trigger
+
+  push:
+    tags:
+      - 'gallery/*.*.*'
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: dapp-gallery
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    environment: testnet-deployments
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      # Uses the `docker/login-action` action to log in to the Container registry.
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Extract tag from package.json
+        id: meta
+        run: |
+          export VERSION=$(jq -r .version gallery/package.json)
+          export FULL_IMAGE_TAG="${{ env.REGISTRY }}/concordium/$IMAGE_NAME:$VERSION"
+          echo "::notice FULL_IMAGE_TAG=${FULL_IMAGE_TAG}"
+          # Make sure the image does not exist. Abort if we can retrieve any metadata.
+          if docker manifest inspect ${FULL_IMAGE_TAG} > /dev/null; then
+             echo "::error ${FULL_IMAGE_TAG} already exists"
+             exit 1
+          elif [ ! "${{ github.ref_name }}" = "gallery/${VERSION}" ]; then
+             echo "::error Expected tag ${EXPECTED_TAG} does not match the version ${VERSION}."
+             exit 1
+          else
+             # Store the full image tag into a tag variable for the following step.
+             echo "tag=${FULL_IMAGE_TAG}" > "$GITHUB_OUTPUT"
+          fi
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          file: gallery/Dockerfile
+          push: true
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tag }}
diff --git a/.github/workflows/release-sign-message-docker.yml b/.github/workflows/release-sign-message-docker.yml
new file mode 100644
index 00000000..d622c965
--- /dev/null
+++ b/.github/workflows/release-sign-message-docker.yml
@@ -0,0 +1,56 @@
+# This job builds and publishes a docker image for the sign message dApp to
+# the dockerhub image repository.
+name: Create and publish a Docker image for the sign message dApp.
+
+on:
+  workflow_dispatch: # allows manual trigger
+
+  push:
+    tags:
+      - 'signmessage/*.*.*'
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: dapp-signmessage
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    environment: testnet-deployments
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      # Uses the `docker/login-action` action to log in to the Container registry.
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Extract tag from package.json
+        id: meta
+        run: |
+          export VERSION=$(jq -r .version signMessage/package.json)
+          export FULL_IMAGE_TAG="${{ env.REGISTRY }}/concordium/$IMAGE_NAME:$VERSION"
+          echo "::notice FULL_IMAGE_TAG=${FULL_IMAGE_TAG}"
+          # Make sure the image does not exist. Abort if we can retrieve any metadata.
+          if docker manifest inspect ${FULL_IMAGE_TAG} > /dev/null; then
+             echo "::error ${FULL_IMAGE_TAG} already exists"
+             exit 1
+          elif [ ! "${{ github.ref_name }}" = "signmessage/${VERSION}" ]; then
+             echo "::error Expected tag ${EXPECTED_TAG} does not match the version ${VERSION}."
+             exit 1
+          else
+             # Store the full image tag into a tag variable for the following step.
+             echo "tag=${FULL_IMAGE_TAG}" > "$GITHUB_OUTPUT"
+          fi
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: ./signMessage
+          file: ./signMessage/Dockerfile
+          push: true
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tag }}
diff --git a/.github/workflows/release-simple-age-verification-docker.yml b/.github/workflows/release-simple-age-verification-docker.yml
new file mode 100644
index 00000000..2cea171a
--- /dev/null
+++ b/.github/workflows/release-simple-age-verification-docker.yml
@@ -0,0 +1,56 @@
+# This job builds and publishes a docker image for the simple age verification dApp to
+# the dockerhub image repository.
+name: Create and publish a Docker image for the simple age verification dApp.
+
+on:
+  workflow_dispatch: # allows manual trigger
+
+  push:
+    tags:
+      - 'simple-age-verification/*.*.*'
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: dapp-simple-age-verification
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    environment: testnet-deployments
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      # Uses the `docker/login-action` action to log in to the Container registry.
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Extract tag from package.json
+        id: meta
+        run: |
+          export VERSION=$(jq -r .version simpleAgeVerification/package.json)
+          export FULL_IMAGE_TAG="${{ env.REGISTRY }}/concordium/$IMAGE_NAME:$VERSION"
+          echo "::notice FULL_IMAGE_TAG=${FULL_IMAGE_TAG}"
+          # Make sure the image does not exist. Abort if we can retrieve any metadata.
+          if docker manifest inspect ${FULL_IMAGE_TAG} > /dev/null; then
+             echo "::error ${FULL_IMAGE_TAG} already exists"
+             exit 1
+          elif [ ! "${{ github.ref_name }}" = "simple-age-verification/${VERSION}" ]; then
+             echo "::error Expected tag ${EXPECTED_TAG} does not match the version ${VERSION}."
+             exit 1
+          else
+             # Store the full image tag into a tag variable for the following step.
+             echo "tag=${FULL_IMAGE_TAG}" > "$GITHUB_OUTPUT"
+          fi
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: ./simpleAgeVerification
+          file: ./simpleAgeVerification/Dockerfile
+          push: true
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tag }}
diff --git a/.github/workflows/release-sponsored-txs-docker.yml b/.github/workflows/release-sponsored-txs-docker.yml
new file mode 100644
index 00000000..ee4d9d88
--- /dev/null
+++ b/.github/workflows/release-sponsored-txs-docker.yml
@@ -0,0 +1,59 @@
+# This job builds and publishes a docker image for the sponsored transactions dApp to
+# the dockerhub image repository.
+name: Create and publish a Docker image for the sponsored transactions dApp.
+
+on:
+  workflow_dispatch: # allows manual trigger
+
+  push:
+    tags:
+      # The versioning is of the format: `frontend_version-backend_version`.
+      - 'sponsored-transactions/*.*.*-*.*.*'
+
+env:
+  REGISTRY: docker.io
+  IMAGE_NAME: dapp-sponsored-txs
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    environment: testnet-deployments
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      # Uses the `docker/login-action` action to log in to the Container registry.
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Extract tag from package.json and Cargo.toml files
+        id: meta
+        run: |
+          export FRONTEND_VERSION=$(jq -r .version sponsoredTransactions/frontend/package.json)
+          export BACKEND_VERSION=$(yq .package.version sponsoredTransactions/backend/Cargo.toml)
+          export VERSION=$FRONTEND_VERSION-$BACKEND_VERSION
+          export FULL_IMAGE_TAG="${{ env.REGISTRY }}/concordium/$IMAGE_NAME:$VERSION"
+          echo "::notice FULL_IMAGE_TAG=${FULL_IMAGE_TAG}"
+          # Make sure the image does not exist. Abort if we can retrieve any metadata.
+          if docker manifest inspect ${FULL_IMAGE_TAG} > /dev/null; then
+             echo "::error ${FULL_IMAGE_TAG} already exists"
+             exit 1
+          elif [ ! "${{ github.ref_name }}" = "sponsored-transactions/${VERSION}" ]; then
+             echo "::error Expected tag ${EXPECTED_TAG} does not match the version ${VERSION}."
+             exit 1
+          else
+             # Store the full image tag into a tag variable for the following step.
+             echo "tag=${FULL_IMAGE_TAG}" > "$GITHUB_OUTPUT"
+          fi
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          file: ./sponsoredTransactions/Dockerfile
+          push: true
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tag }}
diff --git a/gallery/Jenkinsfile b/gallery/Jenkinsfile
deleted file mode 100644
index 3d06b726..00000000
--- a/gallery/Jenkinsfile
+++ /dev/null
@@ -1,36 +0,0 @@
-// Expected parameters:
-// - image_tag: Tag that will be used for the new image.
-// - build_image: Base image that the image being built extends.
-pipeline {
-    agent any
-    environment {
-        image_repo = "concordium/dapp-gallery"
-        image_name = "${image_repo}:${image_tag}"
-    }
-    stages {
-        stage('dockerhub-login') {
-            environment {
-                // Defines 'CRED_USR' and 'CRED_PSW'
-                // (see 'https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#handling-credentials').
-                CRED = credentials('jenkins-dockerhub')
-            }
-            steps {
-                sh 'docker login --username "${CRED_USR}" --password "${CRED_PSW}"'
-            }
-        }
-        stage('build-push') {
-            steps {
-                sh '''\
-                    docker build \
-                      --build-arg build_image="${build_image}" \
-                      --label build_image="${build_image}" \
-                      --tag="${image_name}" \
-                      -f ./gallery/Dockerfile \
-                      .
-                    docker push "${image_name}"
-                '''.stripIndent()
-            }
-        }
-    }
-}
-
diff --git a/gallery/package.json b/gallery/package.json
index 5c2bb350..9f82650a 100644
--- a/gallery/package.json
+++ b/gallery/package.json
@@ -1,7 +1,7 @@
 {
     "name": "gallery",
     "license": "Apache-2.0",
-    "version": "0.1.2",
+    "version": "0.1.3",
     "packageManager": "yarn@1.22.0",
     "dependencies": {
         "@concordium/browser-wallet-api-helpers": "^3.0.1",
diff --git a/signMessage/Jenkinsfile b/signMessage/Jenkinsfile
deleted file mode 100644
index 63877014..00000000
--- a/signMessage/Jenkinsfile
+++ /dev/null
@@ -1,35 +0,0 @@
-// Expected parameters:
-// - image_tag: Tag that will be used for the new image.
-// - build_image: Base image that the image being built extends.
-pipeline {
-    agent any
-    environment {
-        image_repo = "concordium/dapp-signmessage"
-        image_name = "${image_repo}:${image_tag}"
-    }
-    stages {
-        stage('dockerhub-login') {
-            environment {
-                // Defines 'CRED_USR' and 'CRED_PSW'
-                // (see 'https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#handling-credentials').
-                CRED = credentials('jenkins-dockerhub')
-            }
-            steps {
-                sh 'docker login --username "${CRED_USR}" --password "${CRED_PSW}"'
-            }
-        }
-        stage('build-push') {
-            steps {
-                sh '''\
-                    docker build \
-                      --build-arg build_image="${build_image}" \
-                      --label build_image="${build_image}" \
-                      --tag="${image_name}" \
-                      --pull \
-                      ./signMessage
-                    docker push "${image_name}"
-                '''.stripIndent()
-            }
-        }
-    }
-}
diff --git a/signMessage/package.json b/signMessage/package.json
index 69e65911..7df2fc27 100644
--- a/signMessage/package.json
+++ b/signMessage/package.json
@@ -1,6 +1,6 @@
 {
     "name": "sign_message",
-    "version": "0.2.1",
+    "version": "0.2.2",
     "private": true,
     "dependencies": {
         "@concordium/browser-wallet-api-helpers": "^0.2.0",
diff --git a/simpleAgeVerification/Jenkinsfile b/simpleAgeVerification/Jenkinsfile
deleted file mode 100644
index 48dde2eb..00000000
--- a/simpleAgeVerification/Jenkinsfile
+++ /dev/null
@@ -1,35 +0,0 @@
-// Expected parameters:
-// - image_tag: Tag that will be used for the new image.
-// - build_image: Base image that the image being built extends.
-pipeline {
-    agent any
-    environment {
-        image_repo = "concordium/dapp-simple-age-verification"
-        image_name = "${image_repo}:${image_tag}"
-    }
-    stages {
-        stage('dockerhub-login') {
-            environment {
-                // Defines 'CRED_USR' and 'CRED_PSW'
-                // (see 'https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#handling-credentials').
-                CRED = credentials('jenkins-dockerhub')
-            }
-            steps {
-                sh 'docker login --username "${CRED_USR}" --password "${CRED_PSW}"'
-            }
-        }
-        stage('build-push') {
-            steps {
-                sh '''\
-                    docker build \
-                      --build-arg build_image="${build_image}" \
-                      --label build_image="${build_image}" \
-                      --tag="${image_name}" \
-                      -f ./simpleAgeVerification/Dockerfile \
-                      ./simpleAgeVerification
-                    docker push "${image_name}"
-                '''.stripIndent()
-            }
-        }
-    }
-}
diff --git a/sponsoredTransactions/frontend/Jenkinsfile b/sponsoredTransactions/frontend/Jenkinsfile
deleted file mode 100644
index 852f8154..00000000
--- a/sponsoredTransactions/frontend/Jenkinsfile
+++ /dev/null
@@ -1,36 +0,0 @@
-// Expected parameters:
-// - image_tag: Tag that will be used for the new image.
-// - build_image: Base image that the image being built extends.
-pipeline {
-    agent any
-    environment {
-        image_repo = "concordium/dapp-sponsored-txs"
-        image_name = "${image_repo}:${image_tag}"
-    }
-    stages {
-        stage('dockerhub-login') {
-            environment {
-                // Defines 'CRED_USR' and 'CRED_PSW'
-                // (see 'https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#handling-credentials').
-                CRED = credentials('jenkins-dockerhub')
-            }
-            steps {
-                sh 'docker login --username "${CRED_USR}" --password "${CRED_PSW}"'
-            }
-        }
-        stage('build-push') {
-            steps {
-                sh '''\
-                    docker build \
-                      --build-arg build_image="${build_image}" \
-                      --label build_image="${build_image}" \
-                      --tag="${image_name}" \
-                      --pull \
-                      --file sponsoredTransactions/Dockerfile \
-                      .
-                    docker push "${image_name}"
-                '''.stripIndent()
-            }
-        }
-    }
-}
diff --git a/sponsoredTransactionsAuction/frontend/Jenkinsfile b/sponsoredTransactionsAuction/frontend/Jenkinsfile
deleted file mode 100644
index 6d9b622d..00000000
--- a/sponsoredTransactionsAuction/frontend/Jenkinsfile
+++ /dev/null
@@ -1,36 +0,0 @@
-// Expected parameters:
-// - image_tag: Tag that will be used for the new image.
-// - build_image: Base image that the image being built extends.
-pipeline {
-    agent any
-    environment {
-        image_repo = "concordium/dapp-auction-sponsored-txs"
-        image_name = "${image_repo}:${image_tag}"
-    }
-    stages {
-        stage('dockerhub-login') {
-            environment {
-                // Defines 'CRED_USR' and 'CRED_PSW'
-                // (see 'https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#handling-credentials').
-                CRED = credentials('jenkins-dockerhub')
-            }
-            steps {
-                sh 'docker login --username "${CRED_USR}" --password "${CRED_PSW}"'
-            }
-        }
-        stage('build-push') {
-            steps {
-                sh '''\
-                    docker build \
-                      --build-arg build_image="${build_image}" \
-                      --label build_image="${build_image}" \
-                      --tag="${image_name}" \
-                      --pull \
-                      --file sponsoredTransactionsAuction/Dockerfile \
-                      .
-                    docker push "${image_name}"
-                '''.stripIndent()
-            }
-        }
-    }
-}