Remove obsolete compose version specifier

distribution/docker/docker-compose.yml

@@ -1,5 +1,4 @@
 # Only used for testing the docker images
-version: '3'
 services:
   opensearch-1:
     image: opensearch:test

qa/remote-clusters/docker-compose.yml

@@ -1,5 +1,4 @@
 # Only used for testing the docker images
-version: '3.7'
 services:
   opensearch-1:
     image: opensearch:test

qa/wildfly/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3.7'
 services:
 
   wildfly:

test/fixtures/azure-fixture/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3'
 services:
   azure-fixture:
     build:

test/fixtures/gcs-fixture/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3'
 services:
   gcs-fixture:
     build:

test/fixtures/krb5kdc-fixture/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3'
 services:
   peppa:
     hostname: kerberos.build.opensearch.org

test/fixtures/minio-fixture/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3.2'
 services:
   minio-fixture:
     build:

test/fixtures/s3-fixture/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3'
 services:
   s3-fixture:
     build:
@@ -62,50 +61,50 @@ services:
       - "80"
 
   s3-fixture-with-ec2:
-      build:
-          context: .
-          args:
-              fixtureClass: fixture.s3.S3HttpFixtureWithEC2
-              port: 80
-              bucket: "ec2_bucket"
-              basePath: "ec2_base_path"
-              accessKey: "ec2_access_key"
-              sessionToken: "ec2_session_token"
-          dockerfile: Dockerfile
-      volumes:
-          - ./testfixtures_shared/shared:/fixture/shared
-      ports:
-          - "80"
+    build:
+      context: .
+      args:
+        fixtureClass: fixture.s3.S3HttpFixtureWithEC2
+        port: 80
+        bucket: "ec2_bucket"
+        basePath: "ec2_base_path"
+        accessKey: "ec2_access_key"
+        sessionToken: "ec2_session_token"
+      dockerfile: Dockerfile
+    volumes:
+      - ./testfixtures_shared/shared:/fixture/shared
+    ports:
+      - "80"
 
   s3-fixture-with-ecs:
-      build:
-          context: .
-          args:
-              fixtureClass: fixture.s3.S3HttpFixtureWithECS
-              port: 80
-              bucket: "ecs_bucket"
-              basePath: "ecs_base_path"
-              accessKey: "ecs_access_key"
-              sessionToken: "ecs_session_token"
-          dockerfile: Dockerfile
-      volumes:
-          - ./testfixtures_shared/shared:/fixture/shared
-      ports:
-          - "80"
+    build:
+      context: .
+      args:
+        fixtureClass: fixture.s3.S3HttpFixtureWithECS
+        port: 80
+        bucket: "ecs_bucket"
+        basePath: "ecs_base_path"
+        accessKey: "ecs_access_key"
+        sessionToken: "ecs_session_token"
+      dockerfile: Dockerfile
+    volumes:
+      - ./testfixtures_shared/shared:/fixture/shared
+    ports:
+      - "80"
 
   s3-fixture-with-eks:
-      build:
-          context: .
-          args:
-              fixtureClass: fixture.s3.S3HttpFixtureWithEKS
-              port: 80
-              bucket: "eks_bucket"
-              basePath: "eks_base_path"
-              accessKey: "eks_access_key"
-              roleArn: "eks_role_arn"
-              roleSessionName: "eks_role_session_name"
-          dockerfile: Dockerfile.eks
-      volumes:
-          - ./testfixtures_shared/shared:/fixture/shared
-      ports:
-          - "80"
+    build:
+      context: .
+      args:
+        fixtureClass: fixture.s3.S3HttpFixtureWithEKS
+        port: 80
+        bucket: "eks_bucket"
+        basePath: "eks_base_path"
+        accessKey: "eks_access_key"
+        roleArn: "eks_role_arn"
+        roleSessionName: "eks_role_session_name"
+      dockerfile: Dockerfile.eks
+    volumes:
+      - ./testfixtures_shared/shared:/fixture/shared
+    ports:
+      - "80"