diff --git a/.github/actions/smoke-test/action.yaml b/.github/actions/smoke-test/action.yaml
new file mode 100644
index 00000000..29ed4475
--- /dev/null
+++ b/.github/actions/smoke-test/action.yaml
@@ -0,0 +1,23 @@
+name: "Smoke test"
+description: "Tests the provided template."
+inputs:
+  template:
+    description: "Template to test"
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - name: Checkout main
+      id: checkout_release
+      uses: actions/checkout@v3
+
+    - name: Build template
+      id: build_template
+      shell: bash
+      run: ${{ github.action_path }}/build.sh ${{ inputs.template }}
+
+    - name: Test template
+      id: test_template
+      shell: bash
+      run: ${{ github.action_path }}/test.sh  ${{ inputs.template }}
diff --git a/.github/actions/smoke-test/build.sh b/.github/actions/smoke-test/build.sh
new file mode 100755
index 00000000..5f7cf419
--- /dev/null
+++ b/.github/actions/smoke-test/build.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+TEMPLATE_ID="$1"
+
+set -e
+
+shopt -s dotglob
+
+SRC_DIR="/tmp/${TEMPLATE_ID}"
+cp -R "templates/src/${TEMPLATE_ID}" "${SRC_DIR}"
+
+pushd "${SRC_DIR}"
+
+# Configure templates only if `devcontainer-template.json` contains the `options` property.
+OPTION_PROPERTY=( $(jq -r '.options' devcontainer-template.json) )
+
+if [ "${OPTION_PROPERTY}" != "" ] && [ "${OPTION_PROPERTY}" != "null" ] ; then
+    OPTIONS=( $(jq -r '.options | keys[]' devcontainer-template.json) )
+
+    if [ "${OPTIONS[0]}" != "" ] && [ "${OPTIONS[0]}" != "null" ] ; then
+        echo "(!) Configuring template options for '${TEMPLATE_ID}'"
+        for OPTION in "${OPTIONS[@]}"
+        do
+            OPTION_KEY="\${templateOption:$OPTION}"
+            OPTION_VALUE=$(jq -r ".options | .${OPTION} | .default" devcontainer-template.json)
+
+            if [ "${OPTION_VALUE}" = "" ] || [ "${OPTION_VALUE}" = "null" ] ; then
+                echo "Template '${TEMPLATE_ID}' is missing a default value for option '${OPTION}'"
+                exit 1
+            fi
+
+            echo "(!) Replacing '${OPTION_KEY}' with '${OPTION_VALUE}'"
+            OPTION_VALUE_ESCAPED=$(sed -e 's/[]\/$*.^[]/\\&/g' <<<"${OPTION_VALUE}")
+            find ./ -type f -print0 | xargs -0 sed -i "s/${OPTION_KEY}/${OPTION_VALUE_ESCAPED}/g"
+        done
+    fi
+fi
+
+popd
+
+TEST_DIR="test/${TEMPLATE_ID}"
+if [ -d "${TEST_DIR}" ] ; then
+    echo "(*) Copying test folder"
+    DEST_DIR="${SRC_DIR}/test-project"
+    mkdir -p ${DEST_DIR}
+    cp -Rp ${TEST_DIR}/* ${DEST_DIR}
+    cp test/test-utils/test-utils.sh ${DEST_DIR}
+fi
+
+export DOCKER_BUILDKIT=1
+echo "(*) Installing @devcontainer/cli"
+npm install -g @devcontainers/cli
+
+echo "Building Dev Container"
+ID_LABEL="test-container=${TEMPLATE_ID}"
+devcontainer up --id-label ${ID_LABEL} --workspace-folder "${SRC_DIR}"
diff --git a/.github/actions/smoke-test/test.sh b/.github/actions/smoke-test/test.sh
new file mode 100755
index 00000000..5de1a2c7
--- /dev/null
+++ b/.github/actions/smoke-test/test.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+TEMPLATE_ID="$1"
+set -e
+
+SRC_DIR="/tmp/${TEMPLATE_ID}"
+echo "Running Smoke Test"
+
+ID_LABEL="test-container=${TEMPLATE_ID}"
+devcontainer exec --workspace-folder "${SRC_DIR}" --id-label ${ID_LABEL} /bin/sh -c 'set -e && if [ -f "test-project/test.sh" ]; then cd test-project && if [ "$(id -u)" = "0" ]; then chmod +x test.sh; else sudo chmod +x test.sh; fi && ./test.sh; else ls -a; fi'
+
+# Clean up
+docker rm -f $(docker container ls -f "label=${ID_LABEL}" -q)
+rm -rf "${SRC_DIR}"
diff --git a/.github/workflows/baseimage-builder.yaml b/.github/workflows/baseimage-builder.yaml
deleted file mode 100644
index 8acb596d..00000000
--- a/.github/workflows/baseimage-builder.yaml
+++ /dev/null
@@ -1,65 +0,0 @@
-name: "Build Dockerfile for Mamba-based Environment"
-
-on:
-  workflow_call:
-    inputs:
-      docker_tag:
-        required: true
-        type: string
-      build_context:
-        required: true
-        type: string
-
-jobs:
-  build-environment:
-    runs-on: "ubuntu-latest"
-    steps:
-      - id: "setup"
-        run: |
-          echo "build-date=$(date)" >> $GITHUB_OUTPUT
-
-      - id: "checkout"
-        name: "Checkout repository"
-        uses: "actions/checkout@v3"
-
-      - id: "setup-qemu"
-        name: "Setup QEMU"
-        uses: "docker/setup-qemu-action@v2"
-        with:
-          platforms: "linux/amd64,linux/arm64"
-
-      - id: "setup-buildx"
-        name: "Setup Buildx"
-        uses: "docker/setup-buildx-action@v2"
-        with:
-          install: true
-
-      - id: "login-dockerhub"
-        name: "Login to DockerHub"
-        uses: "docker/login-action@v2"
-        with:
-          username: "${{ secrets.DOCKERHUB_USERNAME }}"
-          password: "${{ secrets.DOCKERHUB_TOKEN    }}"
-
-      - id: "login-ghcr"
-        name: "Login to GitHub Container Registry"
-        uses: "docker/login-action@v2"
-        with:
-          registry: "ghcr.io"
-          username: "${{ github.repository_owner }}"
-          password: "${{ secrets.GITHUB_TOKEN    }}"
-
-      - id: "build"
-        name: "Build and push Docker images"
-        uses: "docker/build-push-action@v3"
-        with:
-          push: true
-          platforms: "linux/amd64,linux/arm64"
-          context: "${{ inputs.build_context }}"
-          build-args: |
-            BUILD_DATE=${{ steps.setup.outputs.build-date }}
-          tags: |
-            ${{ secrets.DOCKERHUB_USERNAME }}/baseimage:${{ inputs.docker_tag }}
-            ${{ secrets.DOCKERHUB_USERNAME }}/baseimage:${{ inputs.docker_tag }}-${{ github.sha }}
-            ghcr.io/${{ github.repository_owner }}/baseimage:${{ inputs.docker_tag }}
-            ghcr.io/${{ github.repository_owner }}/baseimage:${{ inputs.docker_tag }}-${{ github.sha }}
diff --git a/.github/workflows/baseimage-metabuilder.yaml b/.github/workflows/baseimage-metabuilder.yaml
deleted file mode 100644
index f8e1ea1d..00000000
--- a/.github/workflows/baseimage-metabuilder.yaml
+++ /dev/null
@@ -1,61 +0,0 @@
-name: "Build 'metabuilder' image shared across 'baseimage'"
-
-on:
-  push:
-    paths:
-      - "baseimage/**"
-      - ".github/workflows/baseimage-metabuilder.yaml"
-  workflow_call:
-  workflow_dispatch:
-
-jobs:
-  build-environment:
-    runs-on: "ubuntu-latest"
-    steps:
-      - id: "setup"
-        run: |
-          echo "build-date=$(date)" >> $GITHUB_OUTPUT
-
-      - id: "checkout"
-        name: "Checkout repository"
-        uses: "actions/checkout@v3"
-
-      - id: "setup-qemu"
-        name: "Setup QEMU"
-        uses: "docker/setup-qemu-action@v2"
-        with:
-          platforms: "linux/amd64,linux/arm64"
-
-      - id: "setup-buildx"
-        name: "Setup Buildx"
-        uses: "docker/setup-buildx-action@v2"
-        with:
-          install: true
-
-      - id: "login-dockerhub"
-        name: "Login to DockerHub"
-        uses: "docker/login-action@v2"
-        with:
-          username: "${{ secrets.DOCKERHUB_USERNAME }}"
-          password: "${{ secrets.DOCKERHUB_TOKEN    }}"
-
-      - id: "login-ghcr"
-        name: "Login to GitHub Container Registry"
-        uses: "docker/login-action@v2"
-        with:
-          registry: "ghcr.io"
-          username: "${{ github.repository_owner }}"
-          password: "${{ secrets.GITHUB_TOKEN    }}"
-
-      - id: "build"
-        name: "Build and push Docker images"
-        uses: "docker/build-push-action@v3"
-        with:
-          push: true
-          platforms: "linux/amd64,linux/arm64"
-          context: "baseimage"
-          build-args: |
-            BUILD_DATE=${{ steps.setup.outputs.build-date }}
-          tags: |
-            ${{ secrets.DOCKERHUB_USERNAME }}/baseimage:metabuilder-latest
-            ghcr.io/${{ github.repository_owner }}/baseimage:metabuilder-latest
diff --git a/.github/workflows/baseimage.yaml b/.github/workflows/baseimage.yaml
deleted file mode 100644
index 85057e83..00000000
--- a/.github/workflows/baseimage.yaml
+++ /dev/null
@@ -1,50 +0,0 @@
-name: "Build all `baseimage` Containers"
-
-on:
-  push:
-    paths:
-      - "docker.d/**/Dockerfile"
-      - "versions.d/*.json"
-  workflow_dispatch:
-  workflow_run:
-    workflows: ["Check versions of relevant programming languages"]
-    types: [completed]
-
-jobs:
-  generate-matrix:
-    name: "Generate Job Matrix for `baseimage` construction"
-    runs-on: "ubuntu-latest"
-    outputs:
-      matrix: "${{ steps.generate-matrix.outputs.matrix }}"
-    steps:
-      - id: "checkout"
-        uses: "actions/checkout@v3"
-        with:
-          fetch-depth: 3
-
-      - name: Run changed-files with dir_names
-        id: changed-files
-        uses: tj-actions/changed-files@v35
-        with:
-          path: "docker.d/"
-          dir_names: "true"
-          diff_relative: "true"
-          json: "true"
-
-      - id: "generate-matrix"
-        name: "Generate Matrix of Docker Images to Build"
-        run: |
-          echo "${{ steps.changed-files.outputs.all_modified_files }}"
-          echo "matrix=${{ steps.changed-files.outputs.all_modified_files }}" >> "$GITHUB_OUTPUT"
-
-  build-baseimages:
-    needs: "generate-matrix"
-    strategy:
-      matrix:
-        docker_tag: "${{ fromJson(needs.generate-matrix.outputs.matrix) }}"
-    name: "${{ matrix.name }}"
-    uses: "./.github/workflows/baseimage-builder.yaml"
-    with:
-      docker_tag: "${{ matrix.docker_tag }}"
-      build_context: "docker.d/${{ matrix.docker_tag }}"
-    secrets: inherit
diff --git a/.github/workflows/get-versions-builder.yaml b/.github/workflows/get-versions-builder.yaml
deleted file mode 100644
index 482a0aeb..00000000
--- a/.github/workflows/get-versions-builder.yaml
+++ /dev/null
@@ -1,66 +0,0 @@
-name: "Get language-specific releases"
-
-on:
-  workflow_call:
-    inputs:
-      language:
-        required: true
-        type: string
-
-jobs:
-  check-versions:
-    runs-on: "ubuntu-latest"
-    steps:
-      - id: "checkout"
-        name: "Checkout `containers` repository"
-        uses: "actions/checkout@v3"
-        with:
-          fetch-depth: 0
-
-      - id: "checkout-HEAD"
-        run: |
-          git pull
-          git checkout HEAD
-
-      - id: "setup-node"
-        name: "Setup NodeJS"
-        uses: "actions/setup-node@v3"
-        with:
-          node-version: "18" 
-
-      - id: "setup-pnpm"
-        name: "Setup `pnpm`"
-        uses: "pnpm/action-setup@v2"
-        with:
-          version: "latest"
-          run_install: false
-
-      - name: "Get `pnpm` store"
-        id: "pnpm-store"
-        shell: "bash"
-        run: |
-          echo "STORE_PATH=$(pnpm store path)" >> $GITHUB_OUTPUT
-
-      - uses: "actions/cache@v3"
-        id: "pnpm-cache"
-        name: "Setup `pnpm` cache"
-        with:
-          path: "${{ steps.pnpm-store.outputs.STORE_PATH }}"
-          key: "${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}"
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
-
-      - name: "Install dependencies"
-        id: "pnpm-install"
-        run: "pnpm install"
-
-      - name: "Checks DockerHub for Language Version Bumps"
-        run: |
-          pnpm get-versions -l ${{ inputs.language }}
-
-      - name: "Add `.versions.d/${{ inputs.language }}.json`"
-        uses: "endbug/add-and-commit@v9"
-        with:
-          add: "./versions.d/${{ inputs.language }}.json"
-          message: "Tracking `.versions.d/${{ inputs.language }}.json` to latest versions"
-          push: true
\ No newline at end of file
diff --git a/.github/workflows/get-versions.yaml b/.github/workflows/get-versions.yaml
deleted file mode 100644
index 95c61baf..00000000
--- a/.github/workflows/get-versions.yaml
+++ /dev/null
@@ -1,106 +0,0 @@
-name: "Check versions of relevant programming languages"
-
-on:
-  push:
-    paths:
-      - ".github/workflows/get-versions.yaml"
-      - ".github/workflows/get-versions-builder.yaml"
-      - "versions.d/get-versions.mjs"
-      - "versions.d/_sources.jsonc"
-      - "Dockerfile.njk"
-  schedule:
-    - cron: "5 4 * * */7"
-  workflow_dispatch:
-
-jobs:
-  check-python:
-    if: "${{ always() }}"
-    uses: "./.github/workflows/get-versions-builder.yaml"
-    with:
-      language: "python"
-    secrets: "inherit"
-
-  check-julia:
-    if: "${{ always() }}"
-    needs: ["check-python"]
-    uses: "./.github/workflows/get-versions-builder.yaml"
-    with:
-      language: "julia"
-    secrets: "inherit"
-
-  check-node:
-    if: "${{ always() }}"
-    needs: ["check-julia"]
-    uses: "./.github/workflows/get-versions-builder.yaml"
-    with:
-      language: "node"
-    secrets: "inherit"
-
-  check-rbase:
-    if: "${{ always() }}"
-    needs: ["check-node"]
-    uses: "./.github/workflows/get-versions-builder.yaml"
-    with:
-      language: "rbase"
-    secrets: "inherit"
-
-  compute-versions:
-    if: "${{ always() }}"
-    needs: ["check-rbase",]
-    runs-on: "ubuntu-latest"
-    steps:
-      - id: "checkout"
-        name: "Checkout `containers` repository"
-        uses: "actions/checkout@v3"
-        with:
-          fetch-depth: 0
-
-      - id: "checkout-HEAD"
-        run: |
-          git pull
-          git checkout HEAD
-
-      - id: "setup-node"
-        name: "Setup NodeJS"
-        uses: "actions/setup-node@v3"
-        with:
-          node-version: "18" 
-
-      - id: "setup-pnpm"
-        name: "Setup `pnpm`"
-        uses: "pnpm/action-setup@v2"
-        with:
-          version: "latest"
-          run_install: false
-
-      - name: "Get `pnpm` store"
-        id: "pnpm-store"
-        shell: "bash"
-        run: |
-          echo "STORE_PATH=$(pnpm store path)" >> $GITHUB_OUTPUT
-
-      - uses: "actions/cache@v3"
-        id: "pnpm-cache"
-        name: "Setup `pnpm` cache"
-        with:
-          path: "${{ steps.pnpm-store.outputs.STORE_PATH }}"
-          key: "${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}"
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
-
-      - name: "Install dependencies"
-        id: "pnpm-install"
-        run: "pnpm install"
-
-      - name: "Computes all version pairings for Dockerfile"
-        run: |
-          pnpm compute-versions
-
-      - name: "Add `docker.d/**/Dockerfile`"
-        uses: "endbug/add-and-commit@v9"
-        with:
-          add: |
-            ./docker.d/**/Dockerfile
-            ./versions.d/docker-versions.json
-          message: "Tracking `docker.d/**/Dockerfile` for verbosity"
-          push: true