Swarm stacks using secrets

Author: aditya43

12-Swarm-Stacks-Using-Secrets/DB_PASSWORD.txt

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+aditya123

12-Swarm-Stacks-Using-Secrets/DB_USER.txt

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+aditya

12-Swarm-Stacks-Using-Secrets/README.md

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+# How to use?
+- Execute:
+    ```sh
+    docker stack deploy -c docker-compose.yml adidb
+    ```
+
+# How to remove?
+- Execute:
+    ```sh
+    docker stack rm adidb
+    ```

12-Swarm-Stacks-Using-Secrets/docker-compose.yml

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+version: "3.1" # To use 'secrets' in stacks, we must be at least 3.1
+
+services:
+  psql:
+    image: postgres
+    secrets:
+      - DB_USER
+      - DB_PASSWORD
+    environment:
+      POSTGRES_PASSWORD_FILE: /run/secrets/DB_PASSWORD
+      POSTGRES_USER_FILE: /run/secrets/DB_USER
+
+secrets:
+  DB_USER:
+    file: ./DB_USER.txt
+  DB_PASSWORD:
+    file: ./DB_PASSWORD.txt
+