diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..03d57c5
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,11 @@
+FROM mineunit/mineunit:latest
+
+USER root
+ENV USER=root
+
+RUN apk add --no-cache bash
+
+COPY scripts /scripts
+RUN chmod -R +x /scripts
+
+ENTRYPOINT ["/scripts/entrypoint.sh"]
diff --git a/README.md b/README.md
index a542afd..db045ea 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
 # mineunit-actions
+
 GitHub actions for mt-mods/mineunit
 
-Executes Lua unit tests with `busted` in `spec` directory with code coverage analysis using `cluacov` and generates badge for coverage.
+Executes Lua unit/integration tests with `mineunit` in `spec` directory with code coverage analysis using `cluacov`.
+Additionally generates badge parameters for coverage badges as well as plain text coverage reports.
 
 Example badges:
 * ![](https://byob.yarr.is/S-S-X/metatool/metatool-coverage)
@@ -19,15 +21,15 @@ name: mineunit
 on: [push, pull_request]
 
 jobs:
-  build:
+  mineunit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - id: mineunit
       uses: mt-mods/mineunit-actions@master
       with:
         badge-color: "CC9909"
-    - uses: RubbaBoy/BYOB@v1.2.0
+    - uses: RubbaBoy/BYOB@v1.3.0
       with:
         NAME: "${{ steps.mineunit.outputs.badge-name }}"
         LABEL: "${{ steps.mineunit.outputs.badge-label }}"
@@ -38,21 +40,24 @@ jobs:
 
 Optional parameters for `mt-mods/mineunit-actions`:
 
-* **`working-directory`** Working directory for unit tests
-* **`badge-name`** Code coverage badge name
-* **`badge-label`** Code coverage badge label
-* **`badge-color`** Code coverage badge color
-* **`mineunit-version`** Mineunit version
+* **`working-directory`** Working directory for unit tests, can be used when testing modpacks or multiple mods.
+* **`badge-name`** Code coverage badge name.
+* **`badge-label`** Code coverage badge label.
+* **`badge-color`** Code coverage badge color.
+* **`mineunit-args`** Mineunit extra arguments, for example to specify `--engine-version 5.7.0`.
+* **`mineunit-version`** Mineunit version.
 
 Outputs:
 
-* **`steps.mineunit.outputs.badge-name`** Code coverage badge name waiting for issues/#1
-* **`steps.mineunit.outputs.badge-label`** Code coverage badge label waiting for issues/#1
-* **`steps.mineunit.outputs.badge-status`** Code coverage badge status waiting for issues/#1
-* **`steps.mineunit.outputs.badge-color`** Code coverage badge color waiting for issues/#1
-* **`steps.mineunit.outputs.mineunit-stdout`** Stdout produced during busted run
-* **`steps.mineunit.outputs.mineunit-spec-missing`** Set to true if no spec files found for busted
-* **`steps.mineunit.outputs.mineunit-report`** Mineunit detailed test report
-* **`steps.mineunit.outputs.coverage-total`** Total test coverage percentage
-* **`steps.mineunit.outputs.coverage-files`** Number of files tested and total number of source files
-* **`steps.mineunit.outputs.help-busted-spec-missing`** Help for situation where spec files could not be loaded
+* **`steps.mineunit.outputs.badge-name`** Code coverage badge name.
+* **`steps.mineunit.outputs.badge-label`** Code coverage badge label.
+* **`steps.mineunit.outputs.badge-status`** Code coverage badge status.
+* **`steps.mineunit.outputs.badge-color`** Code coverage badge color.
+* **`steps.mineunit.outputs.mineunit-stdout`** Stdout produced during mineunit run.
+* **`steps.mineunit.outputs.mineunit-spec-missing`** Set to true if no spec files found for busted.
+* **`steps.mineunit.outputs.mineunit-report`** Mineunit code coverage summary report.
+* **`steps.mineunit.outputs.coverage-total`** Total test coverage percentage.
+* **`steps.mineunit.outputs.coverage-files`** Number of files tested and total number of source files.
+* **`steps.mineunit.outputs.help-busted-spec-missing`** Help for situation where spec files could not be loaded.
+
+Based on Docker image https://hub.docker.com/r/mineunit/mineunit
diff --git a/action.yml b/action.yml
index b6988ae..2788ac9 100644
--- a/action.yml
+++ b/action.yml
@@ -33,35 +33,26 @@ outputs:
   # Generated or supplied badge properties
   badge-name:
     description: "Code coverage badge name waiting for issues/#1"
-    value: ${{ steps.badge-wrapper-actions-issue-1.outputs.badge-name }}
   badge-label:
     description: "Code coverage badge label waiting for issues/#1"
-    value: ${{ steps.badge-wrapper-actions-issue-1.outputs.badge-label }}
   badge-status:
     description: "Code coverage badge status waiting for issues/#1"
-    value: "${{ steps.mineunit-coverage.outputs.total }} in ${{ steps.mineunit-coverage.outputs.files }} files"
   badge-color:
     description: "Code coverage badge color waiting for issues/#1"
-    value: ${{ steps.badge-wrapper-actions-issue-1.outputs.badge-color }}
 
   # Mineunit test framework output
   mineunit-stdout:
     description: "Stdout produced during busted run"
-    value: ${{ steps.mineunit-tests.outputs.stdout }}
   mineunit-spec-missing:
     description: "Set to true if no spec files found for busted"
-    value: ${{ steps.mineunit-tests.outputs.spec-missing }}
 
   mineunit-report:
     description: "Mineunit detailed test report"
-    value: ${{ steps.mineunit-report.outputs.report }}
 
   coverage-total:
     description: "Total test coverage percentage"
-    value: ${{ steps.mineunit-coverage.outputs.total }}
   coverage-files:
     description: "Number of files tested and total number of source files"
-    value: ${{ steps.mineunit-coverage.outputs.files }}
 
   # Help content / on demand documentation
   help-busted-spec-missing:
@@ -79,49 +70,5 @@ outputs:
       ```
 
 runs:
-  using: composite
-  steps:
-    - name: install mineunit
-      shell: bash
-      run: |
-        sudo apt-get install -y luarocks > /dev/null
-        luarocks install --server=https://luarocks.org/dev  --local mineunit ${{ inputs.mineunit-version }}
-    - id: mineunit-tests
-      name: mineunit runner
-      working-directory: "${{ inputs.working-directory }}"
-      shell: bash
-      run: |
-        set +eo pipefail
-        exec 3>&1
-        OUT="$($HOME/.luarocks/bin/mineunit -c ${{ inputs.mineunit-args }} | tee >(cat - >&3); exit ${PIPESTATUS[0]})"
-        ERR=$?
-        exec 3>&-
-        grep_eronly=(grep '0 successes / 0 failures / [1-9] error.\? / 0 pending')
-        grep_nospec=(grep 'No test files found')
-        ("${grep_eronly[@]}"<<<"$OUT" && "${grep_nospec[@]}"<<<"$OUT")&>/dev/null && echo "spec-missing=true" >> $GITHUB_OUTPUT
-        OUT="$(sed 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g'<<<"$OUT")"
-        printf 'stdout<<END-OF-MINEUNIT-CONTENT\n%s\nEND-OF-MINEUNIT-CONTENT' "${OUT}" >> $GITHUB_OUTPUT
-        exit $ERR
-    - id: mineunit-report
-      name: mineunit coverage report
-      working-directory: "${{ inputs.working-directory }}"
-      shell: bash
-      run: |
-        $HOME/.luarocks/bin/mineunit -r
-        OUT="$(awk -v p=0 '/^----/{p++;next}p==2{exit}p' luacov.report.out | sort -hrk4)"
-        printf 'report<<END-OF-MINEUNIT-CONTENT\n%s\nEND-OF-MINEUNIT-CONTENT' "${OUT}" >> $GITHUB_OUTPUT
-    - id: mineunit-coverage
-      name: collect coverage data
-      working-directory: "${{ inputs.working-directory }}"
-      shell: bash
-      run: |
-        echo "total=$(tail -n 2 luacov.report.out | grep ^Total | grep -o '[0-9.]\+%$')" >> $GITHUB_OUTPUT
-        awk -v p=0 '/^----/{p++;next}p==2{exit}p' luacov.report.out | sort -hrk4 > luacov.report.sum
-        echo "files=$(grep -cv '\s0\.00%' luacov.report.sum)/$(wc -l<luacov.report.sum)" >> $GITHUB_OUTPUT
-    - id: badge-wrapper-actions-issue-1
-      name: Input wrapper while waiting for actions in actions feature
-      shell: bash
-      run: |
-        echo "badge-name=${{ inputs.badge-name }}" >> $GITHUB_OUTPUT
-        echo "badge-label=${{ inputs.badge-label }}" >> $GITHUB_OUTPUT
-        echo "badge-color=${{ inputs.badge-color }}" >> $GITHUB_OUTPUT
+  using: docker
+  image: Dockerfile
diff --git a/scripts/entrypoint.sh b/scripts/entrypoint.sh
new file mode 100644
index 0000000..15e3312
--- /dev/null
+++ b/scripts/entrypoint.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+set -eo pipefail
+
+while read -r ENV; do export -- "$ENV"; done < <(env | grep -- '-[^=]*=' | sed -r ':ape s/^([^-=]*)-/\1_/;tape')
+
+cd "${INPUT_WORKING_DIRECTORY}"
+
+echo "Running tests in $(pwd)"
+/scripts/run-tests.sh
+ERR=$?
+
+if (($ERR != 0)); then
+    exit $ERR
+fi
+
+echo "Generating report in $(pwd)"
+/scripts/run-report.sh
+ERR=$?
+
+exit $ERR
diff --git a/scripts/run-report.sh b/scripts/run-report.sh
new file mode 100644
index 0000000..b0ce1f9
--- /dev/null
+++ b/scripts/run-report.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+set -eo pipefail
+
+# Generate luacov report and write it to output
+mineunit -r
+OUT="$(awk -v p=0 '/^----/{p++;next}p==2{exit}p' luacov.report.out | sort -hrk4)"
+printf 'mineunit-report<<END-OF-MINEUNIT-CONTENT\n%s\nEND-OF-MINEUNIT-CONTENT\n' "${OUT}" >> "${GITHUB_OUTPUT}"
+
+# Read and sort coverage information from luacov report
+COVERAGE_TOTAL="$(tail -n 2 luacov.report.out | grep ^Total | grep -o '[0-9.]\+%$')"
+echo "coverage-total=${COVERAGE_TOTAL}" >> "${GITHUB_OUTPUT}"
+awk -v p=0 '/^----/{p++;next}p==2{exit}p' luacov.report.out | sort -hrk4 > luacov.report.sum
+COVERAGE_FILES="$(grep -cv '\s0\.00%' luacov.report.sum)/$(wc -l<luacov.report.sum)"
+echo "coverage-files=${COVERAGE_FILES}" >> "${GITHUB_OUTPUT}"
+
+# badge-wrapper-actions-issue-1
+echo "badge-name=${INPUT_BADGE_NAME}" >> "${GITHUB_OUTPUT}"
+echo "badge-label=${INPUT_BADGE_LABEL}" >> "${GITHUB_OUTPUT}"
+echo "badge-color=${INPUT_BADGE_COLOR}" >> "${GITHUB_OUTPUT}"
+echo "badge-status=${COVERAGE_TOTAL} in ${COVERAGE_FILES} files" >> "${GITHUB_OUTPUT}"
diff --git a/scripts/run-tests.sh b/scripts/run-tests.sh
new file mode 100644
index 0000000..c90563b
--- /dev/null
+++ b/scripts/run-tests.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+set +eo pipefail
+
+# Run tests, collect output and save return code
+exec 3>&1
+OUT="$(mineunit -c ${INPUT_MINEUNIT_ARGS} | tee >(cat - >&3); exit ${PIPESTATUS[0]})"
+ERR=$?
+exec 3>&-
+
+# Check for some hard errors
+grep_eronly=(grep '0 successes / 0 failures / [1-9] error.\? / 0 pending')
+grep_nospec=(grep 'No test files found')
+("${grep_eronly[@]}"<<<"$OUT" && "${grep_nospec[@]}"<<<"$OUT")&>/dev/null && echo "mineunit-spec-missing=true" >> "${GITHUB_OUTPUT}"
+
+# Remove some shell stuff and write output
+OUT="$(sed 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g'<<<"$OUT")"
+printf 'mineunit-stdout<<END-OF-MINEUNIT-CONTENT\n%s\nEND-OF-MINEUNIT-CONTENT\n' "${OUT}" >> "${GITHUB_OUTPUT}"
+
+# Return original error code
+exit $ERR