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Signed-off-by: Jean-Michel Batto <jean-michel.batto@eldarsoft.com>

docker-compose.yml

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+# format 3.x, validated on W10 - there is no "mode/uid/gid" for docker-compose 1.29/W10
+# you should provide your private/public RSA key in ./ssh dir (named id_rsa.mpi/id_rsa.mpi.pub)
+# docker swarm init, then you have to do // note version_mpinet is the name of the overlay
+# docker network create --driver=overlay --attachable yml_mpinet
+# Nov, 13, 2021 - Jean-Michel Batto
+version: "3.9"
+services:
+  mpihead:
+    image: jmbatto/m2chps-mpi41:latest
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - usrlocalvarmpi-foo:/usr/local/var/mpishare
+    ports: 
+      - "22"
+    links: 
+      - mpinode
+    networks:
+      - mpinet
+    secrets:                   
+      - source: "id_rsa"
+        target: "/home/mpiuser/.ssh-source/id_rsa"
+      - source: "id_rsa_mpi_pub"
+        target: "/home/mpiuser/.ssh-source/id_rsa.pub"
+      - source: "authorized_keys"
+        target: "/home/mpiuser/.ssh-source/authorized_keys"
+  mpinode:
+    image: jmbatto/m2chps-mpi41:latest
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - usrlocalvarmpi-foo:/usr/local/var/mpishare
+    networks:
+      - mpinet
+    secrets:                   
+      - source: "id_rsa"
+        target: "/home/mpiuser/.ssh-source/id_rsa"
+      - source: "id_rsa_mpi_pub"
+        target: "/home/mpiuser/.ssh-source/id_rsa.pub"
+      - source: "authorized_keys"
+        target: "/home/mpiuser/.ssh-source/authorized_keys"
+secrets:
+  id_rsa_mpi_pub:
+    file: ssh/id_rsa.mpi.pub
+  id_rsa:
+    file: ssh/id_rsa.mpi
+  authorized_keys:
+    file: ssh/id_rsa.mpi.pub
+networks:
+  mpinet:
+    external: true
+    name : yml_mpinet
+    driver: overlay  
+volumes:
+  usrlocalvarmpi-foo:
+    

ssh/id_rsa.mpi

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

ssh/id_rsa.mpi.pub

@@ -0,0 +1 @@
+ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDs9YtmaB0nnTx0PXlPr7GoYO8v0SHOj1KCyc3rEn6qlS+86LjVrFbQCpHgyc9OD+66+T7Hi1Sm6585bjDbZRMaOx2+YhVZr26Mu1xGI3dg9j5JT5g7kV+oqDuv+EGf78YxxKh9/BKzu9WCaEEGen+YmHY7Vw4AVkR73z/juZuDf+QcECTfo05CS1pTeXjwHfwSEFOeNZ9wQabUdxNE8XFdXlaKSjpmEoUS4dxNUqeDhE61SoSaAfIjRoHtMDGDidrR6Mi2xhYQ9YZ4M7Dqaz/gzDKXE2ixbMcU9b2njOAsIs2v5vpsMN9gqNdl+UC5NC1CEuYlTAP265gsCKOlITZ9 oweidner@peahi