chore(deps): pin dependencies

Dockerfile

@@ -1,10 +1,10 @@
-FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:8.0@sha256:587c1dd115e4d6707ff656d30ace5da9f49cec48e627a40bbe5d5b249adc3549 AS base
 USER $APP_UID
 WORKDIR /app
 EXPOSE 8080
 EXPOSE 8081
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:8.0@sha256:b27b1354af00b7d4c922d74084f5c8a5cbf51f96de9ab855812bf17cbf176dd2 AS build
 ARG BUILD_CONFIGURATION=Release
 WORKDIR /src
 COPY ["myhm-commission.csproj", "./"]

docker-compose.dev.yml

@@ -1,7 +1,7 @@
 services:
   myhm-commission-dev:
     container_name: myhm-commission-dev
-    image: mcr.microsoft.com/devcontainers/dotnet:1-9.0-bookworm
+    image: mcr.microsoft.com/devcontainers/dotnet:1-9.0-bookworm@sha256:f84f5dc61134aacd099c03f58663994da48047a6f43b9d5ba446a5b5ad2074aa
     environment:
       CONFIGURATION__AUTHTOKEN: "hi"
       CONFIGURATION__DATABASECONNECTIONSTRING: "postgres://myhm-commission:myhm-commission@postgres:5432/myhm-commission"

docker-compose.yml

@@ -42,7 +42,7 @@ services:
 
   database:
     container_name: myhm-commission-db
-    image: postgres:15.4
+    image: postgres:15.4@sha256:d1168ad5397bf9c94cc417c530469805a8767ed585481d93f174461ac8557e3a
     restart: always
     environment:
       POSTGRES_USER: myhm-commission