fix(docker): add Dockerfile, .dockerignore, and docker-compose setup

crud-app/.dockerignore

@@ -0,0 +1,13 @@
+bin/
+obj/
+.vs/
+.vscode/
+*.user
+*.suo
+*.sln.docstates
+keploy/
+img/
+*.md
+docker-compose.yml
+.gitignore
+dotnet-install.sh

crud-app/Dockerfile

@@ -0,0 +1,23 @@
+# ---- Build Stage ----
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+WORKDIR /src
+
+# Copy csproj and restore dependencies first (layer caching)
+COPY simpleAPI_v1.csproj ./
+RUN dotnet restore simpleAPI_v1.csproj
+
+# Copy the rest of the source code and build
+COPY . ./
+RUN dotnet publish simpleAPI_v1.csproj -c Release -o /app/publish
+
+# ---- Runtime Stage ----
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS runtime
+WORKDIR /app
+
+COPY --from=build /app/publish .
+
+# .NET 8 defaults to port 8080
+EXPOSE 8080
+ENV ASPNETCORE_URLS=http://+:8080
+
+ENTRYPOINT ["dotnet", "simpleAPI_v1.dll"]

crud-app/docker-compose.yml

@@ -1,12 +1,31 @@
-version: "3.9"
 services:
   postgres:
-        image: postgres:10.5
-        container_name: postgresDb
-        restart: always
-        environment:
-          - POSTGRES_DB=postgres
-          - POSTGRES_USER=postgres
-          - POSTGRES_PASSWORD=password
-        ports:
-          - '5432:5432'
+    image: postgres:10.5
+    container_name: postgresDb
+    restart: always
+    environment:
+      - POSTGRES_DB=postgres
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASSWORD=password
+    ports:
+      - "5432:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: crud-app
+    restart: on-failure
+    ports:
+      - "5249:8080"
+    environment:
+      - ASPNETCORE_ENVIRONMENT=Development
+      - ConnectionStrings__DefaultConnection=Host=postgres;Port=5432;Database=postgres;Username=postgres;Password=password
+    depends_on:
+      postgres:
+        condition: service_healthy