feat: version pinning of docker images

checker/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.11.9
+FROM python:3.11.9@sha256:c5254471e6073d8942091227f469302f85b30d4b23077226f135360491f5226a
 
 RUN useradd -ms /bin/bash -u 1000 checker
 

checker/docker-compose.yml

@@ -15,7 +15,7 @@ services:
       - MONGO_PASSWORD=replme_checker
 
   replme-mongo:
-    image: mongo
+    image: mongo@sha256:54996a559c724c726a31fb8131e1c9088a05f7e531760e2897212389bbf20fed
     volumes:
       - checker-db:/data/db
     environment:

service/Dockerfile.backend

@@ -1,4 +1,4 @@
-FROM golang
+FROM golang@sha256:829eff99a4b2abffe68f6a3847337bf6455d69d17e49ec1a97dac78834754bd6
 
 WORKDIR /root
 

service/Dockerfile.frontend

@@ -1,4 +1,4 @@
-FROM node:alpine
+FROM node:lts-alpine@sha256:34b7aa411056c85dbf71d240d26516949b3f72b318d796c26b57caaa1df5639a
 
 WORKDIR /root
 

service/docker-compose.yml

@@ -47,7 +47,7 @@ services:
     restart: "unless-stopped"
 
   dind:
-    image: docker:dind
+    image: docker:dind@sha256:5bf73daca1e5575772bdfd196a48cfeb6fd65f4affd2d83b42b16db36a2d2974
     container_name: replme-dind
     privileged: true
     environment:
@@ -71,7 +71,7 @@ services:
     depends_on:
       - backend
       - frontend
-    image: nginx:alpine
+    image: nginx:alpine@sha256:a45ee5d042aaa9e81e013f97ae40c3dda26fbe98f22b6251acdf28e579560d55
     volumes:
       - ./nginx/nginx.conf:/etc/nginx/conf.d/replme.conf
     ports:

service/image/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:alpine3.20
+FROM golang:alpine3.20@sha256:8c9183f715b0b4eca05b8b3dbf59766aaedb41ec07477b132ee2891ac0110a07
 
 WORKDIR /root/server
 

service/postgres/Dockerfile

@@ -1,4 +1,4 @@
-FROM postgres:latest
+FROM postgres@sha256:0aafd2ae7e6c391f39fb6b7621632d79f54068faebc726caf469e87bd1d301c0
 
 RUN apt-get update; apt-get install -y --no-install-recommends pwgen