Use stdin and stdout for CI tests to avoid issues

Author: w0rp

.github/workflows/ci.yml

@@ -37,5 +37,4 @@ jobs:
         run: npm install
 
       - name: Run CI tests inside container
-        working-directory: ${{ github.workspace }}
         run: ./convert-and-validate-specs.sh

convert-and-validate-specs.sh

@@ -6,7 +6,6 @@ if ! [ -d output ]; then
     mkdir output
 fi
 
-# Read in stdin and output to stdout
 echo 'Converting 3.1 spec to 3.0'
 docker run --rm -i openapi-spec-converter:latest -t 3.0 -f yaml \
     < specs/31-spec-with-differences-from-30.yaml \
@@ -20,23 +19,20 @@ if ! node_modules/.bin/swagger-cli validate output/31-spec-with-differences-from
 fi
 
 echo 'Converting 3.1 spec to Swagger'
-# Read in from a filename and output to a filename
-docker run --volume ./specs:/specs:ro --volume ./output:/output --rm \
-    -i openapi-spec-converter:latest -t swagger -f yaml \
-    -o /output/31-spec-with-differences-from-30.converted-swagger.yaml \
-    /specs/31-spec-with-differences-from-30.yaml
+docker run --rm -i openapi-spec-converter:latest -t swagger -f yaml \
+    < specs/31-spec-with-differences-from-30.yaml \
+    > output/31-spec-with-differences-from-30.converted-swagger.yaml
 
 echo 'Validating 3.1 spec converted to Swagger'
 if ! node_modules/.bin/swagger-cli validate output/31-spec-with-differences-from-30.converted-swagger.yaml; then
     exit_code=1
 fi
 
-echo 'Converting 3.1 to Swagger spec back to 3.1 again'
 # Up convert Swagger file back to OpenAPI 3.1 again, and output as JSON
-docker run --volume ./output:/output \
-    --rm -i openapi-spec-converter:latest -t 3.1 -f json \
-    -o /output/31-spec-with-differences-from-30.back-to-31.yaml \
-    /output/31-spec-with-differences-from-30.converted-swagger.yaml
+echo 'Converting 3.1 to Swagger spec back to 3.1 again'
+docker run --rm -i openapi-spec-converter:latest -t 3.1 -f json \
+    < output/31-spec-with-differences-from-30.back-to-31.yaml \
+    > output/31-spec-with-differences-from-30.converted-swagger.yaml
 
 echo 'Validating 3.1 spec converted back from Swagger'
 if ! node_modules/.bin/redocly lint output/31-spec-with-differences-from-30.converted-swagger.yaml 2>&1; then