.PHONY: agenda

define green

@tput setaf 2

@echo $1

@tput sgr0

agenda:

@echo ""

$(call green, " make distroless/pull - Step 1: Pull Distroless base images")

$(call green, " make distroless/history - Step 2: Show history for Distroless base images")

$(call green, " make distroless/busybox - Step 3: Build a Distroless image with BusyBox shell")

$(call green, " make distroless/golang - Step 4: Build a Distroless image for Golang")

$(call green, " make distroless/spring - Step 5: Build a Distroless image for Spring Boot")

$(call green, " make distroless/payara - Step 6: Build a Distroless image for Payara Micro")

distroless/pull:

$(call green, "# Use for 'mostly-statically compiled' languages like Go")

docker pull gcr.io/distroless/static-debian10

@echo ""

$(call green, "# Use for most other applications (and Go apps that require libc/cgo)")

docker pull gcr.io/distroless/base-debian10

@echo ""

$(call green, "# Use for 'mostly-statically compiled' languages like Rust and D")

docker pull gcr.io/distroless/cc-debian10

@echo ""

$(call green, "# Use for Java applications requiring a OpenJDK8 based runtime")

docker pull gcr.io/distroless/java:8

@echo ""

$(call green, "# Use for Java applications requiring a OpenJDK11 based runtime")

docker pull gcr.io/distroless/java:11

distroless/history:

docker history gcr.io/distroless/static-debian10

@echo ""

$(call green, "# Contains 1 Layer with")

$(call green, " - ca-certificates")

$(call green, " - /etc/passwd entry for root user")

$(call green, " - a /tmp directory")

$(call green, " - tzdata")

@echo ""

docker history gcr.io/distroless/base-debian10

@echo ""

$(call green, "# Contains 2 Layers with")

$(call green, " - everything from Distroless static image")

$(call green, " - glibc")

@echo ""

docker history gcr.io/distroless/cc-debian10

@echo ""

$(call green, "# Contains 3 Layers with")

$(call green, " - everything from Distroless base image")

$(call green, " - libgcc1 and its dependencies")

@echo ""

docker history gcr.io/distroless/java:8

@echo ""

$(call green, "# Contains 4 Layers with")

$(call green, " - everything from Distroless base image")

$(call green, " - OpenJDK8 and its dependencies")

@echo ""

docker history gcr.io/distroless/java:11

@echo ""

$(call green, "# Contains 4 Layers with")

$(call green, " - everything from Distroless base image")

$(call green, " - OpenJDK11 and its dependencies")

@echo ""

distroless/busybox:

@docker build -t lreimer/hands-on-distroless:busybox distroless-busybox/

@echo ""

$(call green, "Show history with 'docker history lreimer/hands-on-distroless:busybox'")

@echo ""

$(call green, "Run with 'docker run --rm -it lreimer/hands-on-distroless:busybox'")

distroless/golang:

@docker build -t lreimer/hands-on-distroless:golang distroless-golang/

@echo ""

$(call green, "Show history with 'docker history lreimer/hands-on-distroless:golang'")

@echo ""

$(call green, "Run with 'docker run --rm -it -p 8080:8080 lreimer/hands-on-distroless:golang'")

distroless/payara:

@docker build -t lreimer/hands-on-distroless:payara distroless-payara/

@echo ""

$(call green, "Show history with 'docker history lreimer/hands-on-distroless:payara'")

@echo ""

$(call green, "Run with 'docker run --rm -it -p 8080:8080 lreimer/hands-on-distroless:payara'")

distroless/spring:

@docker build -t lreimer/hands-on-distroless:spring distroless-spring/

@echo ""

$(call green, "Show history with 'docker history lreimer/hands-on-distroless:spring'")

@echo ""

$(call green, "Run with 'docker run --rm -it -p 8080:8080 lreimer/hands-on-distroless:spring'")