fix: resolve env_file variable interpolation issues by adding support for and default syntax

script/test/cmd/tests.sh

@@ -282,6 +282,14 @@ k8s_output="$KOMPOSE_ROOT/script/test/fixtures/compose-env-no-interpolation/outp
 convert::expect_success "$k8s_cmd" "$k8s_output" || exit 1
 convert::expect_success "$os_cmd" "$os_output" || exit 1
 
+# Test configmap generated by env_file with variable interpolation 
+k8s_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/env-lookup/compose.yaml convert --stdout --with-kompose-annotation=false"
+os_cmd="kompose  --provider=openshift -f  $KOMPOSE_ROOT/script/test/fixtures/env-lookup/compose.yaml  convert --stdout --with-kompose-annotation=false"
+k8s_output="$KOMPOSE_ROOT/script/test/fixtures/env-lookup/output-k8s.yaml"
+os_output="$KOMPOSE_ROOT/script/test/fixtures/env-lookup/output-os.yaml"
+convert::expect_success_and_warning "$k8s_cmd" "$k8s_output" || exit 1
+convert::expect_success_and_warning "$os_cmd" "$os_output" || exit 1
+
 # Test support for subpath volume
 k8s_cmd="kompose -f $KOMPOSE_ROOT/script/test/fixtures/vols-subpath/compose.yaml convert --stdout --with-kompose-annotation=false"
 k8s_output="$KOMPOSE_ROOT/script/test/fixtures/vols-subpath/output-k8s.yaml"

script/test/fixtures/envfile-interpolation/.env

@@ -0,0 +1,4 @@
+DOC_ENGINE=${DOC_ENGINE:-elasticsearch}
+COMPOSE_PROFILES=${DOC_ENGINE}
+MINIO_CONSOLE_PORT=9001
+MINIO_PORT=9000

script/test/fixtures/envfile-interpolation/compose.yaml

@@ -0,0 +1,14 @@
+version: '3' 
+
+services:
+  minio:
+    image: quay.io/minio/minio:RELEASE.2023-12-20T01-00-02Z
+    container_name: ragflow-minio
+    command: server --console-address ":9001" /data
+    ports:
+      - ${MINIO_PORT}:9000
+      - ${MINIO_CONSOLE_PORT}:9001
+    env_file: .env
+    environment:
+      - DOC_ENGINE=test-env
+    restart: on-failure

script/test/fixtures/envfile-interpolation/output-k8s.yaml

@@ -0,0 +1,56 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.kompose.service: minio
+  name: minio
+spec:
+  ports:
+    - name: "9000"
+      port: 9000
+      targetPort: 9000
+    - name: "9001"
+      port: 9001
+      targetPort: 9001
+  selector:
+    io.kompose.service: minio
+
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    io.kompose.service: minio
+  name: minio
+spec:
+  containers:
+    - args:
+        - server
+        - --console-address
+        - :9001
+        - /data
+      envFrom:
+        - configMapRef:
+            name: env
+      image: quay.io/minio/minio:RELEASE.2023-12-20T01-00-02Z
+      name: ragflow-minio
+      ports:
+        - containerPort: 9000
+          protocol: TCP
+        - containerPort: 9001
+          protocol: TCP
+  restartPolicy: OnFailure
+
+---
+apiVersion: v1
+data:
+  COMPOSE_PROFILES: test-env
+  DOC_ENGINE: test-env
+  MINIO_CONSOLE_PORT: "9001"
+  MINIO_PORT: "9000"
+kind: ConfigMap
+metadata:
+  labels:
+    io.kompose.service: minio-env
+  name: env

script/test/fixtures/envfile-interpolation/output-os.yaml

@@ -0,0 +1,56 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    io.kompose.service: minio
+  name: minio
+spec:
+  ports:
+    - name: "9000"
+      port: 9000
+      targetPort: 9000
+    - name: "9001"
+      port: 9001
+      targetPort: 9001
+  selector:
+    io.kompose.service: minio
+
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    io.kompose.service: minio
+  name: minio
+spec:
+  containers:
+    - args:
+        - server
+        - --console-address
+        - :9001
+        - /data
+      envFrom:
+        - configMapRef:
+            name: env
+      image: quay.io/minio/minio:RELEASE.2023-12-20T01-00-02Z
+      name: ragflow-minio
+      ports:
+        - containerPort: 9000
+          protocol: TCP
+        - containerPort: 9001
+          protocol: TCP
+  restartPolicy: OnFailure
+
+---
+apiVersion: v1
+data:
+  COMPOSE_PROFILES: test-env
+  DOC_ENGINE: test-env
+  MINIO_CONSOLE_PORT: "9001"
+  MINIO_PORT: "9000"
+kind: ConfigMap
+metadata:
+  labels:
+    io.kompose.service: minio-env
+  name: env