Merge branch 'feat-runtime-add-sample-dotenv' into 'master'

docs: add .env sample and doc how to run

See merge request !3

.devcontainer/docker-compose.yml

@@ -4,3 +4,5 @@ services:
     volumes:
     - .:/workdir
     command: sleep infinity
+    environment:
+      - TOKEN_ABI_LOCATION=../solidity/token.abi.json

.env.sample

+API_URL=https://sepolia.infura.io/v3/{yourApiKey}
+ACCOUNT_PRIVATE_KEY=
\ No newline at end of file

Frontend/Dockerfile

@@ -25,6 +25,8 @@ RUN dotnet publish "./Frontend.csproj" -c $BUILD_CONFIGURATION -o /app/publish /
 
 # Diese Stufe wird in der Produktion oder bei Ausführung von VS im regulären Modus verwendet (Standard, wenn die Debugkonfiguration nicht verwendet wird).
 FROM base AS final
+ENV TOKEN_ABI_LOCATION="./token.abi.json"
 WORKDIR /app
+COPY solidity/token.abi.json .
 COPY --from=publish /app/publish .
 ENTRYPOINT ["dotnet", "Frontend.dll"]

Frontend/Program.cs

@@ -3,7 +3,10 @@ using Frontend.BackgroundServices;
 using OpenTelemetry.Metrics;
 using OpenTelemetry.Resources;
 
-var tokenAbi = File.ReadAllText("../solidity/token.abi.json");
+// the location differ in dev and releas mode.
+var tokenAbiLocation = Environment.GetEnvironmentVariable("TOKEN_ABI_LOCATION")!;
+var tokenAbi = File.ReadAllText(tokenAbiLocation)!;
+
 var chainApiUrl = Environment.GetEnvironmentVariable("API_URL")!;
 var accountPrivateKey = Environment.GetEnvironmentVariable("ACCOUNT_PRIVATE_KEY")!;
 

Readme.md

@@ -3,6 +3,16 @@
 # Project Plan: Roesticoin - A Stablecoin on the Ethereum Blockchain
 
 
+## Getting all running
+when switching between Devcontainer and production, rebuild the container, because the base image is different
+### For development in Devcontainer
+- open in VS Code
+- add and modify `.env` file based on `.env.sample`
+- reopen in container
+### As release in Production
+- add and modify `.env` file based on `.env.sample`
+- `docker-compose -f docker-compose.yml -f docker-compose.release.yml up --build -d`
+
 
 ## Project Title:  
 **Roesticoin: Swiss Franc-Pegged Stablecoin on Ethereum**