chore: use python3 instead of python

.github/workflows/ci.yml

@@ -70,7 +70,7 @@ jobs:
       - name: set matrix for build
         id: set-matrix
         run: |
-          json=$(python .github/commands/matrix)
+          json=$(python3 .github/commands/matrix)
           echo $json
           echo "matrix=$json" >> $GITHUB_OUTPUT
 

contrib/build-docs

@@ -125,7 +125,7 @@ main() {
 
   echo "====> Rebuild versions"
   if [[ -f "tmp/docs-build/versions.json" ]]; then
-    python contrib/sort-mkdocs-versions
+    python3 contrib/sort-mkdocs-versions
   else
     echo "      No version file exists"
   fi

contrib/release-dokku

@@ -232,7 +232,7 @@ fn-repo-update() {
   if [[ "$RELEASE" == 'patch' ]]; then
     fn-replace-version "$CURRENT_VERSION" "$NEXT_VERSION" docs/assets/versions.json
   else
-    versions=$(python -c 'import json,sys;d=json.load(sys.stdin);d["max-versions"].append("'"${NEXT_VERSION}"'"); print(json.dumps(d, indent=2, sort_keys=True))' <docs/assets/versions.json)
+    versions=$(python3 -c 'import json,sys;d=json.load(sys.stdin);d["max-versions"].append("'"${NEXT_VERSION}"'"); print(json.dumps(d, indent=2, sort_keys=True))' <docs/assets/versions.json)
     echo "$versions" >docs/assets/versions.json
     git add docs/assets/versions.json
   fi

docs/_build/entrypoint

@@ -3,7 +3,7 @@ set -eo pipefail
 
 write-mkdocs() {
   if [[ -f /usr/src/source/contrib/write-mkdocs ]]; then
-    if ! python /usr/src/source/contrib/write-mkdocs; then
+    if ! python3 /usr/src/source/contrib/write-mkdocs; then
       exit 0
     fi
   fi

docs/networking/port-management.md

@@ -163,7 +163,7 @@ For example, if the Dokku installation is configured with the domain `dokku.me`
 ```
 FROM ubuntu:24.04
 EXPOSE 1234
-CMD python -m SimpleHTTPServer 1234
+CMD python3 -m SimpleHTTPServer 1234
 ```
 
 The application would be exposed to the user at `node-js-app.dokku.me:1234`. If this is not desired, the following application configuration may be applied:

tests/unit/run_1.bats

@@ -29,7 +29,7 @@ teardown() {
   echo "status: $status"
   assert_success
 
-  run /bin/bash -c "dokku --force --quiet run $TEST_APP python -V"
+  run /bin/bash -c "dokku --force --quiet run $TEST_APP python3 -V"
   echo "output: $output"
   echo "status: $status"
   assert_success