Docker: Refactor

Makefile

@@ -544,6 +544,7 @@ migrations.sqlite.test: $(GO_SOURCES)
 .PHONY: check
 check: test
 
+# DNM(Krey): Experiment
 .PHONY: install $(TAGS_PREREQ)
 install: $(wildcard *.go)
 	CGO_CFLAGS="$(CGO_CFLAGS)" $(GO) install -v -tags '$(TAGS)' -ldflags '-s -w $(LDFLAGS)'

docker-compose.yml

@@ -0,0 +1,33 @@
+# FIXME-BLOCKER(Krey): Should be adapted to use `COPY` from container to container once upstream implements it, currently using a volume that is provided to relevant containers to share the content (https://github.com/docker/compose/issues/5523#issuecomment-774392560)
+
+###! Universal `docker-compose.yml` file intended to be used as a reference for configuration and development.
+
+# DNM(Krey): Provide the database ports within a private network available to services without the need to expose ports to the system unless explicitly specified
+
+version: "3"
+
+services:
+  gitea-service:
+    container_name: gitea-service
+    build:
+      context: .
+      dockerfile: docker/dockerfiles/gitea.Dockerfile
+    ports:
+      - "3000:3000"
+    command: /srv/gitea/gitea-wrapper
+    depends_on:
+      - gitea-mysql-database
+  gitea-mysql-database:
+    container_name: gitea-mysql-database
+    image: mysql:5.7
+    restart: always
+    environment:
+      - MYSQL_ROOT_PASSWORD=gitea
+      - MYSQL_USER=gitea
+      - MYSQL_PASSWORD=gitea
+      - MYSQL_DATABASE=gitea
+    ports:
+      - "3306:3306"
+volumes:
+  mysql:
+    driver: local

docker/README.md

@@ -1,7 +1,7 @@
 # Gitea - Docker
 
-Dockerfile is found in root of repository.
+Directory dedicated to docker-related pathnames
 
-Docker image can be found on [docker hub](https://hub.docker.com/r/gitea/gitea)
+Docker images are also available on the [docker hub](https://hub.docker.com/r/gitea/gitea)
 
-Documentation on using docker image can be found on [Gitea Docs site](https://docs.gitea.io/en-us/install-with-docker/)
+Detailed documentation on how to use provided docker images is available on [Gitea Docs site](https://docs.gitea.io/en-us/install-with-docker/)

docker/dockerfiles/gitea.Dockerfile

@@ -0,0 +1,111 @@
+###! This dockerfile builds and starts a gitea service
+
+FROM golang:1.15-alpine3.13 AS build-env
+
+ARG GOPROXY="direct"
+
+# DNM-INVESTIGATE(Krey): Investigate these tags and optimize their usage
+ARG TAGS="sqlite sqlite_unlock_notify bindata timetzdata"
+
+ARG GITEA_VERSION
+ARG CGO_EXTRA_CFLAGS
+
+ARG GITEA_BUILDER_BUILD_DEPS="build-base nodejs npm git"
+
+# Install build dependencies
+RUN apk --no-cache add $GITEA_BUILDER_BUILD_DEPS
+
+# Setup repo
+COPY . "$GOPATH/src/code.gitea.io/gitea"
+
+WORKDIR "$GOPATH/src/code.gitea.io/gitea"
+
+# Checkout version if set
+RUN [ -z "$GITEA_VERSION" ] || { make clean-all && git checkout "${GITEA_VERSION}" ;}
+
+# Build the source code
+RUN make clean-all build
+
+# DNM-CD(Krey): Implement automatic bumps of the alpine image
+FROM alpine:3.13 AS gitea-service
+
+LABEL maintainer="[email protected]"
+
+# File hierarchy
+## NOTE-DUP_CODE(Krey): Changes of these values has to be updated in `docker/wrapper/gitea.sh` as well
+ARG GITEA_WORKDIR="/srv/gitea"
+RUN mkdir -p "$GITEA_WORKDIR"
+
+ARG GITEA_CUSTOMDIR="$GITEA_WORKDIR/custom"
+RUN mkdir -p "$GITEA_CUSTOMDIR"
+
+ARG GITEA_TEMPDIR="/var/tmp/gitea"
+RUN mkdir -p "$GITEA_TEMPDIR"
+
+ARG GITEA_CONFDIR="$GITEA_CUSTOMDIR/conf"
+RUN mkdir -p "$GITEA_CONFDIR"
+
+ARG GITEA_SRCDIR="/go/src/code.gitea.io/gitea"
+ARG GITEA_APP_INI="$GITEA_CONFDIR/app.ini"
+
+RUN mkdir -p "$GITEA_WORKDIR"
+
+ARG GITEA_EXECUTABLE="$GITEA_WORKDIR/gitea"
+
+# Permission
+ARG GITEA_USER="gitea"
+ARG GITEA_USER_ID="1000"
+ARG GITEA_USER_HOME="$GITEA_WORKDIR"
+ARG GITEA_USER_SHELL="/bin/nologin"
+ARG GITEA_GROUP="gitea"
+ARG GITEA_GROUP_ID="1000"
+
+# Dependencies
+ARG GITEA_RUNTIME_DEPS="git"
+
+# Install runtime dependencies
+RUN apk --no-cache add $GITEA_RUNTIME_DEPS
+
+# Create the gitea user
+## NOTE(Krey): These are busybox commands so we have to first create group and then the user added to the group
+RUN true \
+	# addgroup [-g GID] [-S] [USER] GROUP
+	&& addgroup \
+		# Create a system group
+		-S \
+		# Group id
+		-g "$GITEA_GROUP_ID" \
+		"$GITEA_GROUP" \
+	# adduser [OPTIONS] USER [GROUP]
+	&& adduser \
+		# Create System user
+		-S \
+		# Don't Create home directory
+		-H \
+		# Don't assign a password
+		-D \
+		# Home directory
+		-h "$GITEA_USER_HOME" \
+		# Login shell
+		-s "$GITEA_USER_SHELL" \
+		# User id
+		-u "$GITEA_USER_ID" \
+		# Group
+		-G "$GITEA_GROUP" \
+		"$GITEA_USER"
+
+# Copy the compiled source code in this container for installation
+COPY --from=build-env "/go/src/code.gitea.io/gitea" "$GITEA_SRCDIR"
+
+# Get gitea executable in the system
+RUN cp "$GITEA_SRCDIR/gitea" "$GITEA_EXECUTABLE"
+
+ARG GITEA_WRAPPER_SCRIPT="$GITEA_WORKDIR/gitea-wrapper"
+COPY docker/wrapper/gitea.sh "$GITEA_WRAPPER_SCRIPT"
+
+RUN chown -R "$GITEA_USER:$GITEA_GROUP" "$GITEA_USER_HOME"
+
+USER "$GITEA_USER"
+
+# FIXME(Krey): Expecting '$GITEA_EXECUTABLE/$GITEA_WRAPPER_SCRIPT' to expand here, but it is not available at the CMD scope
+CMD [ "/srv/gitea/gitea", "web" ]