Cache dependencies to speed up GitHub Action workflows (#3501)

* Cache dependencies to speed up workflows
Signed-off-by: Nquicksilver <zhifeng.zhang@zilliz.com>

* Cache dependencies to speed up workflows
Signed-off-by: Nquicksilver <zhifeng.zhang@zilliz.com>

.github/workflows/core.yml

@@ -50,6 +50,12 @@ jobs:
         run: |
           docker-compose build ubuntu-core
           docker rmi $(docker images | grep '<none>' | awk '{print $3}') || exit 0
+      - name: Cache Docker Volumes
+        uses: actions/cache@v1
+        with:
+          path: .docker
+          key: ubuntu${{ matrix.ubuntu }}-${{ hashFiles('core/**') }}
+          restore-keys: ubuntu${{ matrix.ubuntu }}-
       - name: Docker Run
         run: |
           docker-compose run ubuntu-core
@@ -96,6 +102,12 @@ jobs:
         run: |
           docker-compose build centos-core
           docker rmi $(docker images | grep '<none>' | awk '{print $3}') || exit 0
+      - name: Cache Docker Volumes
+        uses: actions/cache@v1
+        with:
+          path: .docker
+          key: centos${{ matrix.centos }}-${{ hashFiles('core/**') }}
+          restore-keys: centos${{ matrix.centos }}-
       - name: Docker Run
         run: |
           docker-compose run centos-core

docker-compose.yml

 version: '3.5'
 
-volumes:
-  amd64-ubuntu-18.04-cache:
-  amd64-centos-7-cache:
-  amd64-ubuntu-18.04-cuda-cache:
-  amd64-centos-7-cuda-cache:
-
 x-ccache: &ccache
   CCACHE_COMPILERCHECK: content
   CCACHE_COMPRESS: 1
   CCACHE_COMPRESSLEVEL: 5
   CCACHE_MAXSIZE: 2G
-  CCACHE_DIR: /build/ccache
+  CCACHE_DIR: /ccache
 
 services:
   ubuntu-core:
@@ -26,7 +20,7 @@ services:
       <<: *ccache
     volumes: &ubuntu-volumes
       - .:/milvus:delegated
-      - ${ARCH}-ubuntu-${UBUNTU}-cache:/build:delegated
+      - ${DOCKER_VOLUME_DIRECTORY:-.docker}/${ARCH}-ubuntu-${UBUNTU}-cache:/ccache:delegated
     networks:
       - milvus
     command: &ubuntu-command
@@ -45,7 +39,7 @@ services:
       <<: *ccache
     volumes: &centos-volumes
       - .:/milvus:delegated
-      - ${ARCH}-centos-${CENTOS}-cache:/build:delegated
+      - ${DOCKER_VOLUME_DIRECTORY:-.docker}/${ARCH}-centos-${CENTOS}-cache:/ccache:delegated
     networks:
       - milvus
     command: &centos-command
@@ -64,7 +58,7 @@ services:
       <<: *ccache
     volumes: &ubuntu-cuda-volumes
       - .:/milvus:delegated
-      - ${ARCH}-ubuntu-${UBUNTU}-cuda-cache:/build:delegated
+      - ${DOCKER_VOLUME_DIRECTORY:-.docker}/${ARCH}-ubuntu-${UBUNTU}-cuda-cache:/ccache:delegated
     networks:
       - milvus
     command: &ubuntu-cuda-command
@@ -82,7 +76,7 @@ services:
       <<: *ccache
     volumes: &centos-cuda-volumes
       - .:/milvus:delegated
-      - ${ARCH}-centos-${CENTOS}-cuda-cache:/build:delegated
+      - ${DOCKER_VOLUME_DIRECTORY:-.docker}/${ARCH}-centos-${CENTOS}-cuda-cache:/ccache:delegated
     networks:
       - milvus
     command: &centos-cuda-command
@@ -98,7 +92,6 @@ services:
     shm_size: 2G
     volumes:
       - .:/milvus:delegated
-      - ${ARCH}-centos-${CENTOS}-cache:/build:delegated
     networks:
       - milvus
     command:
@@ -114,7 +107,6 @@ services:
     shm_size: 2G
     volumes:
       - .:/milvus:delegated
-      - ${ARCH}-centos-${CENTOS}-cuda-cache:/build:delegated
     networks:
       - milvus
     command: