Exercises lesson3 César

lesson_3/ex1_solution.md

@@ -1,11 +1,14 @@
 
-- Image Size: 
-- Container Name: 
-- Container ID: 
-- Exposed port: 
-- Postgres version: 
-- Data Volume (aka PGDATA): 
-- default entrypoint: 
-- default command: 
-- baseline consumption : CPU ___% MEM ___MB  
+- Image Size: **377MB**
+- Container Name: **naughty_faraday**
+- Container ID: **4a5567f999e8ed59f8d38559d1e1f3a937181dcf89253645cd4292144663c561**
+- Exposed port: **{"5432/tcp":{}}**
+- Postgres version: **15.0-1.pgdg110+1**
+- Data Volume (aka PGDATA): **PGDATA=/var/lib/postgresql/data**
+- default entrypoint: **docker-entrypoint.sh**
+- default command: **"/bin/sh",
+                "-c",
+                "#(nop) ",
+                "CMD [\"postgres\"]"**
+- baseline consumption : CPU **0.03**% MEM **30.9**MB  
 - OS: Distro Version Codename (Ubuntu 22.04 jammy)

lesson_3/ex1_solution.sh

@@ -1 +1,7 @@
-docker pull
+docker pull postgres:latest
+docker run -d -e POSTGRES_PASSWORD=abc123. postgres:latest
+docker image ls postgres:latest
+docker ps -a
+docker inspect --format="{{json .Config.ExposedPorts }}" postgres:latest
+docker inspect --format="{{json .Config.Env }}" postgres:latest
+docker stats naughty_faraday

lesson_3/ex2_solution.md

@@ -1,2 +1,5 @@
-REPOSITORY   TAG             IMAGE ID       CREATED       SIZE
-nginx
+REPOSITORY    TAG                     IMAGE ID          CREATED           SIZE
+nginx         **1.21.1-perl**         **9f499607fd42**  **14 months ago** **179MB**
+nginx         **1.21.1**              **822b7ec2aaf2**  **14 months ago** **133MB**
+nginx         **1.21.1-alpine-perl**  **acb9302c18eb**  **14 months ago** **57.5MB**
+nginx         **1.21.1-alpine**       **1318bf5f63b4**  **14 months ago** **22.8MB**

lesson_3/ex2_solution.sh

@@ -1 +1,5 @@
-docker pull
+docker pull nginx:1.21.1-perl
+docker pull nginx:1.21.1
+docker pull nginx:1.21.1-alpine-perl
+docker pull nginx:1.21.1-alpine
+docker image ls nginx