add environment variable support

Dockerfile

@@ -1,8 +1,11 @@
 # Use Alpine as the base image
 FROM golang:alpine
 
+# Install isotope
+FROM ugric/isotope:latest
+
 # Set the Current Working Directory inside the container
-WORKDIR /app
+WORKDIR /argon
 
 # Copy go mod and sum files
 COPY go.mod go.sum ./
@@ -11,7 +14,7 @@ COPY go.mod go.sum ./
 RUN go mod download
 
 # Copy the source from the current directory to the Working Directory inside the container
-COPY . .
+COPY ./src ./src
 
 # Build the Go app
 RUN go build -trimpath -ldflags="-s -w" -o bin/argon ./src
@@ -20,4 +23,4 @@ RUN go build -trimpath -ldflags="-s -w" -o bin/argon ./src
 RUN chmod +x bin/argon
 
 # add the binary to the path
-ENV PATH="/app/bin:${PATH}"
+ENV PATH="/argon/bin:${PATH}"