Perhaps fix docker issues in containerized build steps.

.projenrc.js

@@ -31,18 +31,28 @@ const project = new awscdk.AwsCdkConstructLibrary({
 });
 
 project.addDevDeps('@types/jest@^27.0.0', 'prettier-eslint');
-// Add environment specification that causes the release workflow to run in the context of the "npm" GitHub environment,
-// which contains the required NPM_TOKEN
-project
-  .tryFindObjectFile('.github/workflows/release-release.yml')
-  .addOverride('jobs.release_npm.environment', 'npm');
-project
-  .tryFindObjectFile('.github/workflows/release.yml')
-  .addOverride('jobs.release_npm.environment', 'npm');
-project
-  .tryFindObjectFile('.github/workflows/release-release.yml')
-  .addOverride('jobs.release_pypi.environment', 'pypi');
-project
-  .tryFindObjectFile('.github/workflows/release.yml')
-  .addOverride('jobs.release_pypi.environment', 'pypi');
+const releaseWorkflowFiles = [
+  project.tryFindObjectFile('.github/workflows/release-release.yml'),
+  project.tryFindObjectFile('.github/workflows/release.yml'),
+];
+const buildWorkflowFiles = [
+  project.tryFindObjectFile('.github/workflows/build.yml'),
+];
+const upgradeWorkflowFiles = [
+  project.tryFindObjectFile('.github/workflows/upgrade-release.yml'),
+  project.tryFindObjectFile('.github/workflows/upgrade-main.yml'),
+];
+const dockerSocketVolumes = ['/var/run/docker.sock:/var/run/docker.sock'];
+
+releaseWorkflowFiles.forEach((f) => {
+  // Add environment specification that causes the release workflow to run in the context of the "npm" GitHub environment,
+  // which contains the required NPM_TOKEN, and do the same for PyPI
+  f.addOverride('jobs.release_npm.environment', 'npm');
+  f.addOverride('jobs.release_pypi.environment', 'pypi');
+  // Give access to the docker daemon from inside the container this job runs in
+  // so that it can build CDK assets
+  f.addOverride('jobs.release.container.volumes', dockerSocketVolumes);
+});
+buildWorkflowFiles.forEach((f) => f.addOverride('jobs.build.container.volumes', dockerSocketVolumes));
+upgradeWorkflowFiles.forEach((f) => f.addOverride('jobs.upgrade.container.volumes', dockerSocketVolumes));
 project.synth();