Cost – Creating and Managing Container Images-2
Let’s start by creating a Dockerfile: FROM golang:1.20.5 AS build WORKDIR /tmp COPY app.go . RUN GO111MODULE=off GOOS=linux go build -a -installsuffix cgo -o app . && chmod +x ./app…
Let’s start by creating a Dockerfile: FROM golang:1.20.5 AS build WORKDIR /tmp COPY app.go . RUN GO111MODULE=off GOOS=linux go build -a -installsuffix cgo -o app . && chmod +x ./app…
Optimizing containers with distroless images Distroless containers are one of the latest trends in the container world. They are promising because they consider all the aspects of optimizing containers for…
In modern DevOps practices, Docker images are primarily built either on a developer machine or a CI/CD pipeline. The images are stored in a container registry and then deployed to…
Let’s containerize a simple Go application that prints Hello, World! on the screen. While I am using Golang in this application, this concept is applicable universally, irrespective of the programming…
We built some Docker images in the previous section, so by now, you should know how to write Dockerfiles and create Docker images from them. We’ve also covered a few…
While EXPOSE and STOPSIGNAL are self-explanatory, let’s look at the HEALTHCHECK directive. The HEALTHCHECK directive runs a command (hence CMD) called curl -f localhost. So, this container will report itself…
When we build this file, we expect the index.html file to be copied to the /var/www/html directory within the container filesystem. Let’s have a look: $ docker build -t <your_dockerhub_user>/nginx-hello-world…